I need help with the following proof:

Prove that Aut(

Thanks

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- Mar 19th 2008, 06:46 AMherculesAutomorphism
I need help with the following proof:

Prove that Aut(

Thanks - Mar 19th 2008, 07:03 AMThePerfectHacker
Note, . Any homomorphism is completely determined by (since it is the generator). Thus, there are four possibilities, . Which of these give rise to automorphisms?