看板
[ Math ]
討論串[代數] 一題考古題
共 3 篇文章
首頁
上一頁
1
下一頁
尾頁
內容預覽:
G acts on N=<g> by conjugation.. Consider the orbits decomposition of N.. it's easily to show that |G.g^0|=1 and. |G.g|=|G.g^i| for i=1~4. (use Z/5 is
(還有100個字)
內容預覽:
|N|=5, so N is cyclic. Let g be its generator.. For any h in G, we must show that hgh^{-1}=g.. Since N is normal, we know hgh^{-1}=g^i, i=1,2,3,4.. Le
(還有245個字)
首頁
上一頁
1
下一頁
尾頁