Eisenstein integer (suomeksi)

Määritelmät:

(lb, en, algebra) A complex number of the form $a + b \omega$ , where ''a'' and ''b'' are integers and ''ω'' is defined by the following two rules: (1) $\omega^3 = 1$ and (2) $1 + \omega + \omega^2 = 0$ ; an element of the Euclidean domain $\mathbb{Z}[\omega]$ .