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Description: A sylow subgroup has cardinality equal to the maximum power of P dividing the group. (Contributed by Mario Carneiro, 18-Jan-2015)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | fislw.1 | ⊢ 𝑋 = ( Base ‘ 𝐺 ) | |
| slwhash.3 | ⊢ ( 𝜑 → 𝑋 ∈ Fin ) | ||
| slwhash.4 | ⊢ ( 𝜑 → 𝐻 ∈ ( 𝑃 pSyl 𝐺 ) ) | ||
| Assertion | slwhash | ⊢ ( 𝜑 → ( ♯ ‘ 𝐻 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fislw.1 | ⊢ 𝑋 = ( Base ‘ 𝐺 ) | |
| 2 | slwhash.3 | ⊢ ( 𝜑 → 𝑋 ∈ Fin ) | |
| 3 | slwhash.4 | ⊢ ( 𝜑 → 𝐻 ∈ ( 𝑃 pSyl 𝐺 ) ) | |
| 4 | slwsubg | ⊢ ( 𝐻 ∈ ( 𝑃 pSyl 𝐺 ) → 𝐻 ∈ ( SubGrp ‘ 𝐺 ) ) | |
| 5 | 3 4 | syl | ⊢ ( 𝜑 → 𝐻 ∈ ( SubGrp ‘ 𝐺 ) ) |
| 6 | subgrcl | ⊢ ( 𝐻 ∈ ( SubGrp ‘ 𝐺 ) → 𝐺 ∈ Grp ) | |
| 7 | 5 6 | syl | ⊢ ( 𝜑 → 𝐺 ∈ Grp ) |
| 8 | slwprm | ⊢ ( 𝐻 ∈ ( 𝑃 pSyl 𝐺 ) → 𝑃 ∈ ℙ ) | |
| 9 | 3 8 | syl | ⊢ ( 𝜑 → 𝑃 ∈ ℙ ) |
| 10 | 1 | grpbn0 | ⊢ ( 𝐺 ∈ Grp → 𝑋 ≠ ∅ ) |
| 11 | 7 10 | syl | ⊢ ( 𝜑 → 𝑋 ≠ ∅ ) |
| 12 | hashnncl | ⊢ ( 𝑋 ∈ Fin → ( ( ♯ ‘ 𝑋 ) ∈ ℕ ↔ 𝑋 ≠ ∅ ) ) | |
| 13 | 2 12 | syl | ⊢ ( 𝜑 → ( ( ♯ ‘ 𝑋 ) ∈ ℕ ↔ 𝑋 ≠ ∅ ) ) |
| 14 | 11 13 | mpbird | ⊢ ( 𝜑 → ( ♯ ‘ 𝑋 ) ∈ ℕ ) |
| 15 | 9 14 | pccld | ⊢ ( 𝜑 → ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ∈ ℕ0 ) |
| 16 | pcdvds | ⊢ ( ( 𝑃 ∈ ℙ ∧ ( ♯ ‘ 𝑋 ) ∈ ℕ ) → ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ∥ ( ♯ ‘ 𝑋 ) ) | |
| 17 | 9 14 16 | syl2anc | ⊢ ( 𝜑 → ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ∥ ( ♯ ‘ 𝑋 ) ) |
| 18 | 1 7 2 9 15 17 | sylow1 | ⊢ ( 𝜑 → ∃ 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) |
| 19 | 2 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) → 𝑋 ∈ Fin ) |
| 20 | 5 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) → 𝐻 ∈ ( SubGrp ‘ 𝐺 ) ) |
| 21 | simprl | ⊢ ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) → 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ) | |
| 22 | eqid | ⊢ ( +g ‘ 𝐺 ) = ( +g ‘ 𝐺 ) | |
| 23 | eqid | ⊢ ( 𝐺 ↾s 𝐻 ) = ( 𝐺 ↾s 𝐻 ) | |
| 24 | 23 | slwpgp | ⊢ ( 𝐻 ∈ ( 𝑃 pSyl 𝐺 ) → 𝑃 pGrp ( 𝐺 ↾s 𝐻 ) ) |
| 25 | 3 24 | syl | ⊢ ( 𝜑 → 𝑃 pGrp ( 𝐺 ↾s 𝐻 ) ) |
| 26 | 25 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) → 𝑃 pGrp ( 𝐺 ↾s 𝐻 ) ) |
| 27 | simprr | ⊢ ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) → ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) | |
| 28 | eqid | ⊢ ( -g ‘ 𝐺 ) = ( -g ‘ 𝐺 ) | |
| 29 | 1 19 20 21 22 26 27 28 | sylow2b | ⊢ ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) → ∃ 𝑔 ∈ 𝑋 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) |
| 30 | simprr | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) | |
| 31 | 3 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝐻 ∈ ( 𝑃 pSyl 𝐺 ) ) |
| 32 | 31 8 | syl | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑃 ∈ ℙ ) |
| 33 | 15 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ∈ ℕ0 ) |
| 34 | 21 | adantr | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ) |
| 35 | simprl | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑔 ∈ 𝑋 ) | |
| 36 | eqid | ⊢ ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) = ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) | |
| 37 | 1 22 28 36 | conjsubg | ⊢ ( ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ 𝑔 ∈ 𝑋 ) → ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ ( SubGrp ‘ 𝐺 ) ) |
| 38 | 34 35 37 | syl2anc | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ ( SubGrp ‘ 𝐺 ) ) |
| 39 | eqid | ⊢ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) = ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) | |
| 40 | 39 | subgbas | ⊢ ( ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ ( SubGrp ‘ 𝐺 ) → ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) = ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) |
| 41 | 38 40 | syl | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) = ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) |
| 42 | 41 | fveq2d | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ♯ ‘ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) = ( ♯ ‘ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) ) |
| 43 | 1 22 28 36 | conjsubgen | ⊢ ( ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ 𝑔 ∈ 𝑋 ) → 𝑘 ≈ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) |
| 44 | 34 35 43 | syl2anc | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑘 ≈ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) |
| 45 | 2 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑋 ∈ Fin ) |
| 46 | 1 | subgss | ⊢ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) → 𝑘 ⊆ 𝑋 ) |
| 47 | 34 46 | syl | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑘 ⊆ 𝑋 ) |
| 48 | 45 47 | ssfid | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑘 ∈ Fin ) |
| 49 | 1 | subgss | ⊢ ( ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ ( SubGrp ‘ 𝐺 ) → ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ⊆ 𝑋 ) |
| 50 | 38 49 | syl | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ⊆ 𝑋 ) |
| 51 | 45 50 | ssfid | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ Fin ) |
| 52 | hashen | ⊢ ( ( 𝑘 ∈ Fin ∧ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ Fin ) → ( ( ♯ ‘ 𝑘 ) = ( ♯ ‘ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ↔ 𝑘 ≈ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) | |
| 53 | 48 51 52 | syl2anc | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ( ♯ ‘ 𝑘 ) = ( ♯ ‘ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ↔ 𝑘 ≈ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) |
| 54 | 44 53 | mpbird | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ♯ ‘ 𝑘 ) = ( ♯ ‘ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) |
| 55 | simplrr | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) | |
| 56 | 54 55 | eqtr3d | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ♯ ‘ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) |
| 57 | 42 56 | eqtr3d | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ♯ ‘ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) |
| 58 | oveq2 | ⊢ ( 𝑛 = ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) → ( 𝑃 ↑ 𝑛 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) | |
| 59 | 58 | rspceeqv | ⊢ ( ( ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ∈ ℕ0 ∧ ( ♯ ‘ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) → ∃ 𝑛 ∈ ℕ0 ( ♯ ‘ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) = ( 𝑃 ↑ 𝑛 ) ) |
| 60 | 33 57 59 | syl2anc | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ∃ 𝑛 ∈ ℕ0 ( ♯ ‘ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) = ( 𝑃 ↑ 𝑛 ) ) |
| 61 | 39 | subggrp | ⊢ ( ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ ( SubGrp ‘ 𝐺 ) → ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ∈ Grp ) |
| 62 | 38 61 | syl | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ∈ Grp ) |
| 63 | 41 51 | eqeltrrd | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ∈ Fin ) |
| 64 | eqid | ⊢ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) = ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) | |
| 65 | 64 | pgpfi | ⊢ ( ( ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ∈ Grp ∧ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ∈ Fin ) → ( 𝑃 pGrp ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ↔ ( 𝑃 ∈ ℙ ∧ ∃ 𝑛 ∈ ℕ0 ( ♯ ‘ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) = ( 𝑃 ↑ 𝑛 ) ) ) ) |
| 66 | 62 63 65 | syl2anc | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( 𝑃 pGrp ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ↔ ( 𝑃 ∈ ℙ ∧ ∃ 𝑛 ∈ ℕ0 ( ♯ ‘ ( Base ‘ ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ) = ( 𝑃 ↑ 𝑛 ) ) ) ) |
| 67 | 32 60 66 | mpbir2and | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝑃 pGrp ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) |
| 68 | 39 | slwispgp | ⊢ ( ( 𝐻 ∈ ( 𝑃 pSyl 𝐺 ) ∧ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∈ ( SubGrp ‘ 𝐺 ) ) → ( ( 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∧ 𝑃 pGrp ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ↔ 𝐻 = ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) |
| 69 | 31 38 68 | syl2anc | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ( 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ∧ 𝑃 pGrp ( 𝐺 ↾s ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) ↔ 𝐻 = ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) |
| 70 | 30 67 69 | mpbi2and | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → 𝐻 = ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) |
| 71 | 70 | fveq2d | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ♯ ‘ 𝐻 ) = ( ♯ ‘ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) |
| 72 | 71 56 | eqtrd | ⊢ ( ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) ∧ ( 𝑔 ∈ 𝑋 ∧ 𝐻 ⊆ ran ( 𝑥 ∈ 𝑘 ↦ ( ( 𝑔 ( +g ‘ 𝐺 ) 𝑥 ) ( -g ‘ 𝐺 ) 𝑔 ) ) ) ) → ( ♯ ‘ 𝐻 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) |
| 73 | 29 72 | rexlimddv | ⊢ ( ( 𝜑 ∧ ( 𝑘 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ♯ ‘ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) ) → ( ♯ ‘ 𝐻 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) |
| 74 | 18 73 | rexlimddv | ⊢ ( 𝜑 → ( ♯ ‘ 𝐻 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝑋 ) ) ) ) |