Characteristic

$$\operatorname{char}(R)$$

The characteristic of the ring $R$

$$\operatorname{char}(\mathbb{Q}) = 0$$

Ordinary numbers have characteristic zero.

$$\operatorname{char}\!\left(\mathbb{Z} / 3 \mathbb{Z}\right) = 3$$

A ring with nonzero characteristic.

Last updated: 2020-03-06 00:22:16