GAP field of values of an irreducible character

Question

Given a group $G$ in GAP, a character $\chi$ in $Irr(G)$ and a field $F$ how can I compute $F(\chi):=F(\chi(g)|g\in G)$?

Answer 1

Straightforward:

G:=SmallGroup(60,5);
chi:=Irr(G)[2];
F:=CF(7);
Field(F,chi);