Function: galoischarpoly
Section: number_fields
C-Name: galoischarpoly
Prototype: GGD1,L,
Help: galoischarpoly(gal, ch, {,o}): return the list of characteristic
 polynomials of the representation attached to the character ch.
Doc: Let $\chi$ be the character of some representation $\rho$ of the group $G$.
 Return the list of characteristic polynomial of $\rho{g}$ for $g$ a representative
 of the conjugacy class.
