# Extensions 1→N→G→Q→1 with N=C4×D9 and Q=C6

Direct product G=N×Q with N=C4×D9 and Q=C6
dρLabelID
D9×C2×C12144D9xC2xC12432,342

Semidirect products G=N:Q with N=C4×D9 and Q=C6
extensionφ:Q→Out NdρLabelID
(C4×D9)⋊1C6 = D4×C9⋊C6φ: C6/C1C6 ⊆ Out C4×D93612+(C4xD9):1C6432,362
(C4×D9)⋊2C6 = Dic182C6φ: C6/C1C6 ⊆ Out C4×D97212-(C4xD9):2C6432,363
(C4×D9)⋊3C6 = D363C6φ: C6/C1C6 ⊆ Out C4×D97212+(C4xD9):3C6432,371
(C4×D9)⋊4C6 = D366C6φ: C6/C1C6 ⊆ Out C4×D9726(C4xD9):4C6432,355
(C4×D9)⋊5C6 = C2×C4×C9⋊C6φ: C6/C2C3 ⊆ Out C4×D972(C4xD9):5C6432,353
(C4×D9)⋊6C6 = C3×D4×D9φ: C6/C3C2 ⊆ Out C4×D9724(C4xD9):6C6432,356
(C4×D9)⋊7C6 = C3×D42D9φ: C6/C3C2 ⊆ Out C4×D9724(C4xD9):7C6432,357
(C4×D9)⋊8C6 = C3×Q83D9φ: C6/C3C2 ⊆ Out C4×D91444(C4xD9):8C6432,365
(C4×D9)⋊9C6 = C3×D365C2φ: C6/C3C2 ⊆ Out C4×D9722(C4xD9):9C6432,344

Non-split extensions G=N.Q with N=C4×D9 and Q=C6
extensionφ:Q→Out NdρLabelID
(C4×D9).1C6 = Q8×C9⋊C6φ: C6/C1C6 ⊆ Out C4×D97212-(C4xD9).1C6432,370
(C4×D9).2C6 = C72⋊C6φ: C6/C1C6 ⊆ Out C4×D9726(C4xD9).2C6432,121
(C4×D9).3C6 = C8×C9⋊C6φ: C6/C2C3 ⊆ Out C4×D9726(C4xD9).3C6432,120
(C4×D9).4C6 = C3×Q8×D9φ: C6/C3C2 ⊆ Out C4×D91444(C4xD9).4C6432,364
(C4×D9).5C6 = C3×C8⋊D9φ: C6/C3C2 ⊆ Out C4×D91442(C4xD9).5C6432,106
(C4×D9).6C6 = D9×C24φ: trivial image1442(C4xD9).6C6432,105

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