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Results tagged with nonabelian-cohomology
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user 8103
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primary decomposition for nonabelian cohomology of finite groups
It turns out the answer is no. Here I'll sketch a counter-example in which $H^1(G;M)$ is non-trivial (in fact infinite), while $H^1(H;M)$ is trivial for all proper subgroups $H<G$.
Let $G=A_5$, the a …
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