Extensions 1→N→G→Q→1 with N=C9 and Q=D8

Direct product G=N×Q with N=C9 and Q=D8
dρLabelID
C9×D8722C9xD8144,25

Semidirect products G=N:Q with N=C9 and Q=D8
extensionφ:Q→Aut NdρLabelID
C91D8 = D72φ: D8/C8C2 ⊆ Aut C9722+C9:1D8144,8
C92D8 = D4⋊D9φ: D8/D4C2 ⊆ Aut C9724+C9:2D8144,16


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