Extensions 1→N→G→Q→1 with N=C9 and Q=D18

Direct product G=N×Q with N=C9 and Q=D18
dρLabelID
D9×C18362D9xC18324,61

Semidirect products G=N:Q with N=C9 and Q=D18
extensionφ:Q→Aut NdρLabelID
C91D18 = D92φ: D18/D9C2 ⊆ Aut C9184+C9:1D18324,36
C92D18 = C2×C9⋊D9φ: D18/C18C2 ⊆ Aut C9162C9:2D18324,74

Non-split extensions G=N.Q with N=C9 and Q=D18
extensionφ:Q→Aut NdρLabelID
C9.1D18 = D162φ: D18/C18C2 ⊆ Aut C91622+C9.1D18324,4
C9.2D18 = C2×C27⋊S3φ: D18/C18C2 ⊆ Aut C9162C9.2D18324,76

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