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Need examples of problems and proofs being solved surrounding group cohomology

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Basic Math

Need examples of problems and proofs being solved surroundinggroup cohomology

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Let G ZnZhi be a nite cyclic group of order n with generator and let A be a Gmodule Let NG X gG g Xn1 i0 i 1 n1 be the norm element of ZG which we also view as a map NG A A Then H i G A AG i 0 ker NG 1A i 1 3 AGNGA i 2 4 Proof We denote NG by N We have the following periodic projective actually free reso    See Answer
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