# Extensions 1→N→G→Q→1 with N=C12×D9 and Q=C2

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

Semidirect products G=N:Q with N=C12×D9 and Q=C2
extensionφ:Q→Out NdρLabelID
(C12×D9)⋊1C2 = Dic65D9φ: C2/C1C2 ⊆ Out C12×D9724+(C12xD9):1C2432,282
(C12×D9)⋊2C2 = D125D9φ: C2/C1C2 ⊆ Out C12×D91444-(C12xD9):2C2432,285
(C12×D9)⋊3C2 = D9×D12φ: C2/C1C2 ⊆ Out C12×D9724+(C12xD9):3C2432,292
(C12×D9)⋊4C2 = C3×D4×D9φ: C2/C1C2 ⊆ Out C12×D9724(C12xD9):4C2432,356
(C12×D9)⋊5C2 = C3×D42D9φ: C2/C1C2 ⊆ Out C12×D9724(C12xD9):5C2432,357
(C12×D9)⋊6C2 = C3×Q83D9φ: C2/C1C2 ⊆ Out C12×D91444(C12xD9):6C2432,365
(C12×D9)⋊7C2 = D6.D18φ: C2/C1C2 ⊆ Out C12×D9724(C12xD9):7C2432,287
(C12×D9)⋊8C2 = C4×S3×D9φ: C2/C1C2 ⊆ Out C12×D9724(C12xD9):8C2432,290
(C12×D9)⋊9C2 = C3×D365C2φ: C2/C1C2 ⊆ Out C12×D9722(C12xD9):9C2432,344

Non-split extensions G=N.Q with N=C12×D9 and Q=C2
extensionφ:Q→Out NdρLabelID
(C12×D9).1C2 = D9×Dic6φ: C2/C1C2 ⊆ Out C12×D91444-(C12xD9).1C2432,280
(C12×D9).2C2 = C3×Q8×D9φ: C2/C1C2 ⊆ Out C12×D91444(C12xD9).2C2432,364
(C12×D9).3C2 = D9×C3⋊C8φ: C2/C1C2 ⊆ Out C12×D91444(C12xD9).3C2432,58
(C12×D9).4C2 = C36.39D6φ: C2/C1C2 ⊆ Out C12×D91444(C12xD9).4C2432,60
(C12×D9).5C2 = C3×C8⋊D9φ: C2/C1C2 ⊆ Out C12×D91442(C12xD9).5C2432,106
(C12×D9).6C2 = D9×C24φ: trivial image1442(C12xD9).6C2432,105

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