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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Mathematics (MA)
Pls once explain how in red circle isomorphism is there and how blue underlined part to be determined...basically i did not understood anything in red part pls
pls once explain how in red circle isomorphism is there and how blue underlined part to be determined
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Deepak singh 1 Best Answer
Refer attached This theorem states that automorphisms of cyclic groups need not be cyclic .
sir i understood that aut(z8) isomorphism to u(8) but sir i did not got how aut(Z8) isomorphic to Z2*z2....pls once help me how is that part comming
since U(8) is isomorphic to Z2×Z2 and U(8) is also isomorphic to Aut (Z8) . implies Aur(Z8) is isomorphic to Z2×Z2
got it sir now thank u