Some new GP features
rnfconductor
The flag 2 allows to compute only the conductor and its
factorization.
? [cnd,cndf] = rnfconductor(bnf,F[1],2);
? cnd
%33 = [[18446744073709551629,0
% ;0,18446744073709551629],[]]
? cndf
%34 = Mat([[18446744073709551629,
% [18446744073709551629,0]~,1,2,1],1])