proposition: Lemma omega_Fchar f : omegahomsym (Fchar f) = Fchar (sign_char * f).
proof: Proof. by rewrite -(FcharK f) -omega_Fchar_inv !Fchar_invK. Qed.
imports: HB(structures) mathcomp(all_ssreflect) mathcomp(fingroup perm morphism gproduct) mathcomp(rat ssralg ssrint ssrnum algC vector archimedean) mathcomp(mxrepresentation classfun character) mathcomp(mpoly) sorted ordtype tools partition antisym sympoly homogsym Cauchy Schur_altdef stdtab therule permcomp cycletype towerSn permcent reprSn unitriginv MurnaghanNakayama