Extensions 1→N→G→Q→1 with N=C2×A4 and Q=C18

Direct product G=N×Q with N=C2×A4 and Q=C18
dρLabelID
A4×C2×C18108A4xC2xC18432,546

Semidirect products G=N:Q with N=C2×A4 and Q=C18
extensionφ:Q→Out NdρLabelID
(C2×A4)⋊C18 = C18×S4φ: C18/C9C2 ⊆ Out C2×A4543(C2xA4):C18432,532

Non-split extensions G=N.Q with N=C2×A4 and Q=C18
extensionφ:Q→Out NdρLabelID
(C2×A4).C18 = C9×A4⋊C4φ: C18/C9C2 ⊆ Out C2×A41083(C2xA4).C18432,242
(C2×A4).2C18 = A4×C36φ: trivial image1083(C2xA4).2C18432,325

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