Extensions 1→N→G→Q→1 with N=C2 and Q=C8:C4

Direct product G=NxQ with N=C2 and Q=C8:C4
dρLabelID
C2xC8:C464C2xC8:C464,84


Non-split extensions G=N.Q with N=C2 and Q=C8:C4
extensionφ:Q→Aut NdρLabelID
C2.1(C8:C4) = C8:C8central extension (φ=1)64C2.1(C8:C4)64,3
C2.2(C8:C4) = C22.7C42central extension (φ=1)64C2.2(C8:C4)64,17
C2.3(C8:C4) = C16:C4central stem extension (φ=1)164C2.3(C8:C4)64,28

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