diff options
Diffstat (limited to 'mathcomp/solvable/extraspecial.v')
| -rw-r--r-- | mathcomp/solvable/extraspecial.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mathcomp/solvable/extraspecial.v b/mathcomp/solvable/extraspecial.v index aa3ebed..0aacd7c 100644 --- a/mathcomp/solvable/extraspecial.v +++ b/mathcomp/solvable/extraspecial.v @@ -340,7 +340,7 @@ have ntY: Y != 1 by apply: subG1_contra ntZ. have p_odd: odd p by rewrite -oZ (oddSg sZG). have expY: exponent Y %| p by rewrite exponent_Ohm1_class2 // nil_class2 defG'. rewrite (prime_nt_dvdP p_pr _ expY) -?dvdn1 -?trivg_exponent //. -have [-> | neYG] := eqVneq Y G; first by rewrite indexgg dvd1n eqxx; split. +have [-> | neYG] := eqVneq Y G; first by rewrite indexgg dvd1n; split. have sG1Z: 'Mho^1(G) \subset Z by rewrite -defPhiG (Phi_joing pG) joing_subr. have Z_Gp: {in G, forall x, x ^+ p \in Z}. by move=> x Gx; rewrite /= (subsetP sG1Z) ?(Mho_p_elt 1) ?(mem_p_elt pG). |