Extensions 1→N→G→Q→1 with N=C7 and Q=C4:C4

Direct product G=NxQ with N=C7 and Q=C4:C4
dρLabelID
C7xC4:C4112C7xC4:C4112,21

Semidirect products G=N:Q with N=C7 and Q=C4:C4
extensionφ:Q→Aut NdρLabelID
C7:1(C4:C4) = Dic7:C4φ: C4:C4/C2xC4C2 ⊆ Aut C7112C7:1(C4:C4)112,11
C7:2(C4:C4) = C4:Dic7φ: C4:C4/C2xC4C2 ⊆ Aut C7112C7:2(C4:C4)112,12


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