Extensions 1→N→G→Q→1 with N=C7 and Q=D4

Direct product G=N×Q with N=C7 and Q=D4
dρLabelID
C7×D4282C7xD456,9

Semidirect products G=N:Q with N=C7 and Q=D4
extensionφ:Q→Aut NdρLabelID
C71D4 = D28φ: D4/C4C2 ⊆ Aut C7282+C7:1D456,5
C72D4 = C7⋊D4φ: D4/C22C2 ⊆ Aut C7282C7:2D456,7


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