Extensions 1→N→G→Q→1 with N=C9×SL2(𝔽3) and Q=C2

Direct product G=N×Q with N=C9×SL2(𝔽3) and Q=C2
dρLabelID
C18×SL2(𝔽3)144C18xSL(2,3)432,327

Semidirect products G=N:Q with N=C9×SL2(𝔽3) and Q=C2
extensionφ:Q→Out NdρLabelID
(C9×SL2(𝔽3))⋊1C2 = C18.6S4φ: C2/C1C2 ⊆ Out C9×SL2(𝔽3)724+(C9xSL(2,3)):1C2432,253
(C9×SL2(𝔽3))⋊2C2 = Dic9.2A4φ: C2/C1C2 ⊆ Out C9×SL2(𝔽3)1444+(C9xSL(2,3)):2C2432,262
(C9×SL2(𝔽3))⋊3C2 = D9×SL2(𝔽3)φ: C2/C1C2 ⊆ Out C9×SL2(𝔽3)724-(C9xSL(2,3)):3C2432,264
(C9×SL2(𝔽3))⋊4C2 = C9×GL2(𝔽3)φ: C2/C1C2 ⊆ Out C9×SL2(𝔽3)722(C9xSL(2,3)):4C2432,241
(C9×SL2(𝔽3))⋊5C2 = C9×C4.A4φ: trivial image1442(C9xSL(2,3)):5C2432,329

Non-split extensions G=N.Q with N=C9×SL2(𝔽3) and Q=C2
extensionφ:Q→Out NdρLabelID
(C9×SL2(𝔽3)).1C2 = C18.5S4φ: C2/C1C2 ⊆ Out C9×SL2(𝔽3)1444-(C9xSL(2,3)).1C2432,252
(C9×SL2(𝔽3)).2C2 = C9×CSU2(𝔽3)φ: C2/C1C2 ⊆ Out C9×SL2(𝔽3)1442(C9xSL(2,3)).2C2432,240

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