Extensions 1→N→G→Q→1 with N=C2xA4 and Q=D9

Direct product G=NxQ with N=C2xA4 and Q=D9
dρLabelID
C2xA4xD9546+C2xA4xD9432,540

Semidirect products G=N:Q with N=C2xA4 and Q=D9
extensionφ:Q→Out NdρLabelID
(C2xA4):D9 = C2xC9:S4φ: D9/C9C2 ⊆ Out C2xA4546+(C2xA4):D9432,536

Non-split extensions G=N.Q with N=C2xA4 and Q=D9
extensionφ:Q→Out NdρLabelID
(C2xA4).D9 = A4:Dic9φ: D9/C9C2 ⊆ Out C2xA41086-(C2xA4).D9432,254
(C2xA4).2D9 = A4xDic9φ: trivial image1086-(C2xA4).2D9432,266

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