Extensions 1→N→G→Q→1 with N=D4 and Q=A4

Direct product G=N×Q with N=D4 and Q=A4
dρLabelID
D4×A4126+D4xA496,197


Non-split extensions G=N.Q with N=D4 and Q=A4
extensionφ:Q→Out NdρLabelID
D4.A4 = D4.A4φ: trivial image164-D4.A496,202

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