End Isometries.
Section AutVchar.
Variables (u : {rmorphism algC -> algC}) (gT : finGroupType) (G : {group gT}).
Local Notation "alpha ^u" := (cfAut u alpha).
Implicit Type (S : seq 'CF(G)) (phi chi : 'CF(G)).

Lemma vchar_aut A chi : (chi^u \in 'Z[irr G, A]) = (chi \in 'Z[irr G, A]).
End AutVchar.