Function: galoisorder
Section: number_fields_galois
C-Name: galoisorder
Prototype: lG
Help: galoisorder(gal): gal being output by galoisinit or by galoissubgroups
 return the order of the underlying group.
Doc: \var{gal} being output by \kbd{galoisinit} or by \kbd{galoissubgroups}
 return the order of the underlying group.

 \bprog
 ? G = galoisinit(x^6+108);
 ? [galoisorder(H) | H<-galoissubgroups(G)]
 %2 = [6,3,2,2,2,1]
 @eprog
