Function: dirzetak
Section: number_fields
C-Name: dirzetak
Prototype: GG
Help: dirzetak(nf,b): Dirichlet series of the Dedekind zeta function of the
 number field nf up to the bound b-1.
Doc: gives as a vector the first $b$
 coefficients of the \idx{Dedekind} zeta function of the number field $\var{nf}$
 considered as a \idx{Dirichlet series}.
