Extensions 1→N→G→Q→1 with N=C₄ and Q=Dic₁₈

Direct product G=N×Q with N=C₄ and Q=Dic₁₈

		d	ρ	Label	ID
C₄×Dic₁₈		288		C4xDic18	288,78

Semidirect products G=N:Q with N=C₄ and Q=Dic₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄⋊₁Dic₁₈ = C₃₆⋊Q₈	φ: Dic₁₈/Dic₉ → C₂ ⊆ Aut C₄	288		C4:1Dic18	288,98
C₄⋊₂Dic₁₈ = C₃₆⋊₂Q₈	φ: Dic₁₈/C₃₆ → C₂ ⊆ Aut C₄	288		C4:2Dic18	288,79

Non-split extensions G=N.Q with N=C₄ and Q=Dic₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄.₁Dic₁₈ = C₃₆.Q₈	φ: Dic₁₈/Dic₉ → C₂ ⊆ Aut C₄	288		C4.1Dic18	288,14
C₄.₂Dic₁₈ = C₄.Dic₁₈	φ: Dic₁₈/Dic₉ → C₂ ⊆ Aut C₄	288		C4.2Dic18	288,15
C₄.₃Dic₁₈ = C₃₆.₃Q₈	φ: Dic₁₈/Dic₉ → C₂ ⊆ Aut C₄	288		C4.3Dic18	288,100
C₄.₄Dic₁₈ = C₈⋊Dic₉	φ: Dic₁₈/C₃₆ → C₂ ⊆ Aut C₄	288		C4.4Dic18	288,25
C₄.₅Dic₁₈ = C₇₂⋊₁C₄	φ: Dic₁₈/C₃₆ → C₂ ⊆ Aut C₄	288		C4.5Dic18	288,26
C₄.₆Dic₁₈ = C₃₆.₆Q₈	φ: Dic₁₈/C₃₆ → C₂ ⊆ Aut C₄	288		C4.6Dic18	288,80
C₄.₇Dic₁₈ = C₃₆⋊C₈	central extension (φ=1)	288		C4.7Dic18	288,11
C₄.₈Dic₁₈ = Dic₉⋊C₈	central extension (φ=1)	288		C4.8Dic18	288,22

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