Extensions 1→N→G→Q→1 with N=C4 and Q=C22:A4

Direct product G=NxQ with N=C4 and Q=C22:A4
dρLabelID
C4xC22:A424C4xC2^2:A4192,1505


Non-split extensions G=N.Q with N=C4 and Q=C22:A4
extensionφ:Q→Aut NdρLabelID
C4.1(C22:A4) = C4oD4:A4central extension (φ=1)246C4.1(C2^2:A4)192,1507
C4.2(C22:A4) = 2+ 1+4.3C6central extension (φ=1)164C4.2(C2^2:A4)192,1509

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