Extensions 1→N→G→Q→1 with N=C2 and Q=A4×D9

Direct product G=N×Q with N=C2 and Q=A4×D9
dρLabelID
C2×A4×D9546+C2xA4xD9432,540


Non-split extensions G=N.Q with N=C2 and Q=A4×D9
extensionφ:Q→Aut NdρLabelID
C2.1(A4×D9) = A4×Dic9central extension (φ=1)1086-C2.1(A4xD9)432,266
C2.2(A4×D9) = Dic9.2A4central stem extension (φ=1)1444+C2.2(A4xD9)432,262
C2.3(A4×D9) = D9×SL2(𝔽3)central stem extension (φ=1)724-C2.3(A4xD9)432,264

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