[Magma]主要的环类型
| 符号 | 含义 | Category |
|---|---|---|
| $\mathbb{Z}$ | 整数环 | RngInt |
| $\mathbb{Z}/m\mathbb{Z}$ | ring of residue classes | RngIntRes |
| $R[x]$ | 一元多项式环 | RngUPol |
| $F[x]/f(x)$ | 多项式因子环 | RngUPolRes |
| $R[x_1,\ldots,x_m]$ | 多元多项式环 | RngMPol |
| $R[x_1,\ldots,x_m]^G$ | 不变环 | RngInvar |
| $R[[x]]$ | 幂级数环 | RngSer |
| $O$ | order in a number field | RngOrd |
| $\mathbb{Z}_p$ | $p$-adic 环 | RngPad |
| $R_m$ | 局部环 | RngLoc |
| $V$ | valuation ring | RngVal |