# Extensions 1→N→G→Q→1 with N=D4×C3×C9 and Q=C2

Direct product G=N×Q with N=D4×C3×C9 and Q=C2
dρLabelID
D4×C3×C18216D4xC3xC18432,403

Semidirect products G=N:Q with N=D4×C3×C9 and Q=C2
extensionφ:Q→Out NdρLabelID
(D4×C3×C9)⋊1C2 = C3×D4⋊D9φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9):1C2432,149
(D4×C3×C9)⋊2C2 = C36.18D6φ: C2/C1C2 ⊆ Out D4×C3×C9216(D4xC3xC9):2C2432,191
(D4×C3×C9)⋊3C2 = C3×D4×D9φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9):3C2432,356
(D4×C3×C9)⋊4C2 = C3×D42D9φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9):4C2432,357
(D4×C3×C9)⋊5C2 = D4×C9⋊S3φ: C2/C1C2 ⊆ Out D4×C3×C9108(D4xC3xC9):5C2432,388
(D4×C3×C9)⋊6C2 = C36.27D6φ: C2/C1C2 ⊆ Out D4×C3×C9216(D4xC3xC9):6C2432,389
(D4×C3×C9)⋊7C2 = C9×D4⋊S3φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9):7C2432,150
(D4×C3×C9)⋊8C2 = D8×C3×C9φ: C2/C1C2 ⊆ Out D4×C3×C9216(D4xC3xC9):8C2432,215
(D4×C3×C9)⋊9C2 = S3×D4×C9φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9):9C2432,358
(D4×C3×C9)⋊10C2 = C9×D42S3φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9):10C2432,359
(D4×C3×C9)⋊11C2 = C4○D4×C3×C9φ: trivial image216(D4xC3xC9):11C2432,409

Non-split extensions G=N.Q with N=D4×C3×C9 and Q=C2
extensionφ:Q→Out NdρLabelID
(D4×C3×C9).1C2 = C3×D4.D9φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9).1C2432,148
(D4×C3×C9).2C2 = C36.17D6φ: C2/C1C2 ⊆ Out D4×C3×C9216(D4xC3xC9).2C2432,190
(D4×C3×C9).3C2 = C9×D4.S3φ: C2/C1C2 ⊆ Out D4×C3×C9724(D4xC3xC9).3C2432,151
(D4×C3×C9).4C2 = SD16×C3×C9φ: C2/C1C2 ⊆ Out D4×C3×C9216(D4xC3xC9).4C2432,218

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