End DerivedGroup.
Arguments irr_prime_injP {gT G i}.
(* Determinant characters and determinential order. *)
Section DetOrder.
Variables (gT : finGroupType) (G : {group gT}).
Section DetRepr.
Variables (n : nat) (rG : mx_representation [fieldType of algC] G n).
Definition det_repr_mx x : 'M_1 := (\det (rG x))%:M.
Fact det_is_repr : mx_repr G det_repr_mx.
Canonical det_repr := MxRepresentation det_is_repr.
Definition detRepr := cfRepr det_repr.

(* Specifications: *)
Lemma detRepr_lin_char : detRepr \is a linear_char.
End DetRepr.