Extensions 1→N→G→Q→1 with N=C2 and Q=A4×D7

Direct product G=N×Q with N=C2 and Q=A4×D7
dρLabelID
C2×A4×D7426+C2xA4xD7336,217


Non-split extensions G=N.Q with N=C2 and Q=A4×D7
extensionφ:Q→Aut NdρLabelID
C2.1(A4×D7) = A4×Dic7central extension (φ=1)846-C2.1(A4xD7)336,133
C2.2(A4×D7) = Dic7.2A4central stem extension (φ=1)1124+C2.2(A4xD7)336,131
C2.3(A4×D7) = D7×SL2(𝔽3)central stem extension (φ=1)564-C2.3(A4xD7)336,132

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