AlgebraicNumberTrace

AlgebraicNumberTrace[a] gives the trace of the algebraic number a.

Examples

Find the trace of an algebraic number:

AlgebraicNumberTrace[Sqrt[2]]
(* 0 *)

Trace of a root of unity:

AlgebraicNumberTrace[Root[#^3 - 2 &, 1]]
(* 0 *)

Please visit the official Wolfram Language Reference for more details.