proposition: Lemma cfRepr_trivE : cfRepr triv_repr = 'chi_0.
proof: Proof. Proof using. by rewrite irr0 cfRepr_triv. Qed.
imports: mathcomp(all_ssreflect) mathcomp(fingroup perm ssralg morphism perm action) mathcomp(zmodp) mathcomp(vector matrix mxalgebra ssrnum algC) mathcomp(mxrepresentation classfun character) permcomp tools partition congr cycles cycletype presentSn