Arguments aut_Iirr_inj {gT G} u [i1 i2] : rename.
Arguments conjC_IirrK {gT G} i : rename.
Section Coset.
Variable (gT : finGroupType).
Implicit Types G H : {group gT}.

Lemma cfQuo_lin_char G H (chi : 'CF(G)) :
chi \is a linear_char -> (chi / H)%CF \is a linear_char.