Extensions 1→N→G→Q→1 with N=C2 and Q=Dic40

Direct product G=NxQ with N=C2 and Q=Dic40
dρLabelID
C2xDic40320C2xDic40320,532


Non-split extensions G=N.Q with N=C2 and Q=Dic40
extensionφ:Q→Aut NdρLabelID
C2.1Dic40 = C40.78D4central extension (φ=1)320C2.1Dic40320,61
C2.2Dic40 = C80:13C4central extension (φ=1)320C2.2Dic40320,62

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