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Extensions 1→N→G→Q→1 with N=C2 and Q=C2xC42

Direct product G=NxQ with N=C2 and Q=C2xC42
dρLabelID
C22xC4264C2^2xC4^264,192


Non-split extensions G=N.Q with N=C2 and Q=C2xC42
extensionφ:Q→Aut NdρLabelID
C2.1(C2xC42) = C2xC2.C42central stem extension (φ=1)64C2.1(C2xC4^2)64,56
C2.2(C2xC42) = C42:4C4central stem extension (φ=1)64C2.2(C2xC4^2)64,57
C2.3(C2xC42) = C4xC22:C4central stem extension (φ=1)32C2.3(C2xC4^2)64,58
C2.4(C2xC42) = C4xC4:C4central stem extension (φ=1)64C2.4(C2xC4^2)64,59
C2.5(C2xC42) = C2xC8:C4central stem extension (φ=1)64C2.5(C2xC4^2)64,84
C2.6(C2xC42) = C4xM4(2)central stem extension (φ=1)32C2.6(C2xC4^2)64,85
C2.7(C2xC42) = C8o2M4(2)central stem extension (φ=1)32C2.7(C2xC4^2)64,86

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