Part 3 (b) 群的线性表示和例

第七课 Group Action 群作用

x_{i} \in \Omega = \big\{0.x_{1},0.x_{2},..., 0.x_{i-1},1.x_{i}, 0.x_{i+1}, ....0.x_{n} \big\}

第11课:  Cyclic Group (循环群) Representation , Dihedron 二面体

\begin{pmatrix} 0 & 0 & 1\\ 1 & 0 & 0\\ 0 & 1 & 0 \end{pmatrix} = P (a)    3 阶 Cyclic Group (循环群) Representation

\boxed{ \Bigr|D_{n} \Bigr| = 2n }

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