Extensions 1→N→G→Q→1 with N=C21 and Q=C42

Direct product G=NxQ with N=C21 and Q=C42
dρLabelID
C4xC84336C4xC84336,106

Semidirect products G=N:Q with N=C21 and Q=C42
extensionφ:Q→Aut NdρLabelID
C21:C42 = Dic3xDic7φ: C42/C22C22 ⊆ Aut C21336C21:C4^2336,41
C21:2C42 = C4xDic21φ: C42/C2xC4C2 ⊆ Aut C21336C21:2C4^2336,97
C21:3C42 = C12xDic7φ: C42/C2xC4C2 ⊆ Aut C21336C21:3C4^2336,65
C21:4C42 = Dic3xC28φ: C42/C2xC4C2 ⊆ Aut C21336C21:4C4^2336,81


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