Extensions 1→N→G→Q→1 with N=D12 and Q=C18

Direct product G=N×Q with N=D12 and Q=C18
dρLabelID
C18×D12144C18xD12432,346

Semidirect products G=N:Q with N=D12 and Q=C18
extensionφ:Q→Out NdρLabelID
D121C18 = C9×D24φ: C18/C9C2 ⊆ Out D121442D12:1C18432,112
D122C18 = C9×D4⋊S3φ: C18/C9C2 ⊆ Out D12724D12:2C18432,150
D123C18 = S3×D4×C9φ: C18/C9C2 ⊆ Out D12724D12:3C18432,358
D124C18 = C9×Q83S3φ: C18/C9C2 ⊆ Out D121444D12:4C18432,367
D125C18 = C9×C4○D12φ: trivial image722D12:5C18432,347

Non-split extensions G=N.Q with N=D12 and Q=C18
extensionφ:Q→Out NdρLabelID
D12.1C18 = C9×C24⋊C2φ: C18/C9C2 ⊆ Out D121442D12.1C18432,111
D12.2C18 = C9×Q82S3φ: C18/C9C2 ⊆ Out D121444D12.2C18432,158

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