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

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


Non-split extensions G=N.Q with N=C2×C20 and Q=A4
extensionφ:Q→Aut NdρLabelID
(C2×C20).1A4 = C20×SL2(𝔽3)central extension (φ=1)160(C2xC20).1A4480,655
(C2×C20).2A4 = C10×C4.A4central extension (φ=1)160(C2xC20).2A4480,1130

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