Eisenstein-integer norm
= Eisenstein-integer norm
{c}
{title2=$N(a+b\omega)=a^2-ab+b^2$}
The Eisenstein-integer norm is $N(z)=z\overline z$. It is multiplicative and takes $a+b\omega$ to $a^2-ab+b^2$.
= Eisenstein integers
{synonym}
= Eisenstein-integer norm
{c}
{title2=$N(a+b\omega)=a^2-ab+b^2$}
The Eisenstein-integer norm is $N(z)=z\overline z$. It is multiplicative and takes $a+b\omega$ to $a^2-ab+b^2$.
= Eisenstein integers
{synonym}