Faster class group computations using norm relations
Examples : Kummer fields
Q(ζn, a
1/n
1 , . . . , a
1/n
k ) :
? pol = kummer(3,[2,3,5]);
? abbnf = abelianbnfinit(pol);
cpu time = 4,549 ms.
? getcyc(abbnf)
% = [6, 6, 3]