Extensions 1→N→G→Q→1 with N=D18 and Q=C12

Direct product G=N×Q with N=D18 and Q=C12
dρLabelID
D9×C2×C12144D9xC2xC12432,342

Semidirect products G=N:Q with N=D18 and Q=C12
extensionφ:Q→Out NdρLabelID
D18⋊C12 = D18⋊C12φ: C12/C2C6 ⊆ Out D1872D18:C12432,147
D182C12 = C2×C4×C9⋊C6φ: C12/C4C3 ⊆ Out D1872D18:2C12432,353
D183C12 = C3×D18⋊C4φ: C12/C6C2 ⊆ Out D18144D18:3C12432,134

Non-split extensions G=N.Q with N=D18 and Q=C12
extensionφ:Q→Out NdρLabelID
D18.C12 = C72⋊C6φ: C12/C2C6 ⊆ Out D18726D18.C12432,121
D18.2C12 = C8×C9⋊C6φ: C12/C4C3 ⊆ Out D18726D18.2C12432,120
D18.3C12 = C3×C8⋊D9φ: C12/C6C2 ⊆ Out D181442D18.3C12432,106
D18.4C12 = D9×C24φ: trivial image1442D18.4C12432,105

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