Extensions 1→N→G→Q→1 with N=C2 and Q=A4×C20

Direct product G=N×Q with N=C2 and Q=A4×C20
dρLabelID
A4×C2×C20120A4xC2xC20480,1126


Non-split extensions G=N.Q with N=C2 and Q=A4×C20
extensionφ:Q→Aut NdρLabelID
C2.1(A4×C20) = A4×C40central extension (φ=1)1203C2.1(A4xC20)480,659
C2.2(A4×C20) = C20×SL2(𝔽3)central stem extension (φ=1)160C2.2(A4xC20)480,655
C2.3(A4×C20) = C5×C8.A4central stem extension (φ=1)1602C2.3(A4xC20)480,660

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