proposition: Lemma kermxpoly1 n (g : 'M_n) : kermxpoly g 1 = 0.
proof: Proof. by rewrite kermxpolyC ?oner_eq0. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(div fintype tuple finfun bigop fingroup perm) mathcomp(ssralg zmodp matrix mxalgebra poly polydiv)