Extensions 1→N→G→Q→1 with N=C₁₈ and Q=SD₁₆

Direct product G=N×Q with N=C₁₈ and Q=SD₁₆

		d	ρ	Label	ID
SD₁₆×C₁₈		144		SD16xC18	288,183

Semidirect products G=N:Q with N=C₁₈ and Q=SD₁₆

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈⋊₁SD₁₆ = C₂×C₇₂⋊C₂	φ: SD₁₆/C₈ → C₂ ⊆ Aut C₁₈	144		C18:1SD16	288,113
C₁₈⋊₂SD₁₆ = C₂×D₄.D₉	φ: SD₁₆/D₄ → C₂ ⊆ Aut C₁₈	144		C18:2SD16	288,141
C₁₈⋊₃SD₁₆ = C₂×Q₈⋊₂D₉	φ: SD₁₆/Q₈ → C₂ ⊆ Aut C₁₈	144		C18:3SD16	288,152

Non-split extensions G=N.Q with N=C₁₈ and Q=SD₁₆

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈.₁SD₁₆ = C₃₆.₄₅D₄	φ: SD₁₆/C₈ → C₂ ⊆ Aut C₁₈	288		C18.1SD16	288,24
C₁₈.₂SD₁₆ = C₈⋊Dic₉	φ: SD₁₆/C₈ → C₂ ⊆ Aut C₁₈	288		C18.2SD16	288,25
C₁₈.₃SD₁₆ = C₂.D₇₂	φ: SD₁₆/C₈ → C₂ ⊆ Aut C₁₈	144		C18.3SD16	288,28
C₁₈.₄SD₁₆ = C₄.Dic₁₈	φ: SD₁₆/D₄ → C₂ ⊆ Aut C₁₈	288		C18.4SD16	288,15
C₁₈.₅SD₁₆ = C₁₈.Q₁₆	φ: SD₁₆/D₄ → C₂ ⊆ Aut C₁₈	288		C18.5SD16	288,16
C₁₈.₆SD₁₆ = D₄⋊Dic₉	φ: SD₁₆/D₄ → C₂ ⊆ Aut C₁₈	144		C18.6SD16	288,40
C₁₈.₇SD₁₆ = C₁₈.D₈	φ: SD₁₆/Q₈ → C₂ ⊆ Aut C₁₈	144		C18.7SD16	288,17
C₁₈.₈SD₁₆ = Q₈⋊₂Dic₉	φ: SD₁₆/Q₈ → C₂ ⊆ Aut C₁₈	288		C18.8SD16	288,43
C₁₈.₉SD₁₆ = C₉×D₄⋊C₄	central extension (φ=1)	144		C18.9SD16	288,52
C₁₈.₁₀SD₁₆ = C₉×Q₈⋊C₄	central extension (φ=1)	288		C18.10SD16	288,53
C₁₈.₁₁SD₁₆ = C₉×C₄.Q₈	central extension (φ=1)	288		C18.11SD16	288,56

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