Extensions 1→N→G→Q→1 with N=C2 and Q=C22×A4

Direct product G=N×Q with N=C2 and Q=C22×A4
dρLabelID
C23×A424C2^3xA496,228


Non-split extensions G=N.Q with N=C2 and Q=C22×A4
extensionφ:Q→Aut NdρLabelID
C2.1(C22×A4) = C2×C4×A4central extension (φ=1)24C2.1(C2^2xA4)96,196
C2.2(C22×A4) = D4×A4central stem extension (φ=1)126+C2.2(C2^2xA4)96,197
C2.3(C22×A4) = C22×SL2(𝔽3)central stem extension (φ=1)32C2.3(C2^2xA4)96,198
C2.4(C22×A4) = Q8×A4central stem extension (φ=1)246-C2.4(C2^2xA4)96,199
C2.5(C22×A4) = C2×C4.A4central stem extension (φ=1)32C2.5(C2^2xA4)96,200
C2.6(C22×A4) = Q8.A4central stem extension (φ=1)244+C2.6(C2^2xA4)96,201
C2.7(C22×A4) = D4.A4central stem extension (φ=1)164-C2.7(C2^2xA4)96,202

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