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Extensions 1→N→G→Q→1 with N=C2xC9:C12 and Q=C2

Direct product G=NxQ with N=C2xC9:C12 and Q=C2
dρLabelID
C22xC9:C12144C2^2xC9:C12432,378

Semidirect products G=N:Q with N=C2xC9:C12 and Q=C2
extensionφ:Q→Out NdρLabelID
(C2xC9:C12):1C2 = D18:C12φ: C2/C1 → C2 ⊆ Out C2xC9:C1272(C2xC9:C12):1C2432,147
(C2xC9:C12):2C2 = C62.27D6φ: C2/C1 → C2 ⊆ Out C2xC9:C1272(C2xC9:C12):2C2432,167
(C2xC9:C12):3C2 = Dic18:2C6φ: C2/C1 → C2 ⊆ Out C2xC9:C127212-(C2xC9:C12):3C2432,363
(C2xC9:C12):4C2 = C2xDic9:C6φ: C2/C1 → C2 ⊆ Out C2xC9:C1272(C2xC9:C12):4C2432,379
(C2xC9:C12):5C2 = C2xC4xC9:C6φ: trivial image72(C2xC9:C12):5C2432,353

Non-split extensions G=N.Q with N=C2xC9:C12 and Q=C2
extensionφ:Q→Out NdρLabelID
(C2xC9:C12).1C2 = Dic9:C12φ: C2/C1 → C2 ⊆ Out C2xC9:C12144(C2xC9:C12).1C2432,145
(C2xC9:C12).2C2 = C36:C12φ: C2/C1 → C2 ⊆ Out C2xC9:C12144(C2xC9:C12).2C2432,146
(C2xC9:C12).3C2 = C2xC36.C6φ: C2/C1 → C2 ⊆ Out C2xC9:C12144(C2xC9:C12).3C2432,352
(C2xC9:C12).4C2 = C4xC9:C12φ: trivial image144(C2xC9:C12).4C2432,144

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