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Questions involving the software MAGMA. (For the algebraic structure called magma, please, use the tag magmas.) This tag should hardly ever be the only tag of a question; typically there should be additional tags to indicate the mathematical content of the question. Please note that questions that are purely support-questions on MAGMA are not a good fit for this site.

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Compute corestriction map on group cohomology in Magma

I am trying to use Magma to compute the corestriction of a second cohomology class, but I’m not sure how to interpret the output. The details and code are given below. … ( X: [ [1 0 1 1] [1 0 0 1] [0 1 0 1] [1 1 1 1], [1 0 1 1] [1 0 0... ) split( x: [1 0 1 1] [1 0 0 1] [0 1 0 1] [1 1 1 1], y: [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1] ) In file "/alt/applic/magma
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