Extensions 1→N→G→Q→1 with N=C2 and Q=Dic20

Direct product G=NxQ with N=C2 and Q=Dic20
dρLabelID
C2xDic20160C2xDic20160,126


Non-split extensions G=N.Q with N=C2 and Q=Dic20
extensionφ:Q→Aut NdρLabelID
C2.1Dic20 = C20.44D4central extension (φ=1)160C2.1Dic20160,23
C2.2Dic20 = C40:5C4central extension (φ=1)160C2.2Dic20160,25

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