proposition: Lemma p_group1 : @p_group gT 1.
proof: Proof. by rewrite (@pgroup_p 2) ?pgroup1. Qed.
imports: mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq div) mathcomp(fintype bigop finset prime fingroup morphism) mathcomp(gfunctor automorphism quotient action gproduct) mathcomp(cyclic)