Extensions 1→N→G→Q→1 with N=C7xD7 and Q=C4

Direct product G=NxQ with N=C7xD7 and Q=C4
dρLabelID
D7xC28562D7xC28392,24

Semidirect products G=N:Q with N=C7xD7 and Q=C4
extensionφ:Q→Out NdρLabelID
(C7xD7):C4 = D7xDic7φ: C4/C2C2 ⊆ Out C7xD7564-(C7xD7):C4392,18


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