Mjrodgers ow g modules #4108
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Mjrodgers ow g modules #4108
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the "same" should work for Pc - but we don't have the interface to sanely query the pc-relations (yet)
create an Oscar collector from a GAP collector
Co-authored-by: Lars Göttgens <[email protected]>
the following should/ will work: C = trivial_gmodule(pc_group(symmetric_group(4)), abelian_group([2,3])) q = cohomology_group(C, 2); h = q[2](q[1][1]) E = extension(h) m1 = isomorphism(FPGroup, E) m2 = isomorphism(PcGroup, E) is_isomorphic(codomain(m1), codomain(m2)) However, m2 will not work as a map, there is code missing to legally convert a syllable back into a PcGroup Or a shiftgens for PcGroups The syllables function for Pc is possibly dodgy
create an Oscar collector from a GAP collector
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