Extensions 1→N→G→Q→1 with N=C₁₂ and Q=D₁₉

Direct product G=N×Q with N=C₁₂ and Q=D₁₉

		d	ρ	Label	ID
C₁₂×D₁₉		228	2	C12xD19	456,25

Semidirect products G=N:Q with N=C₁₂ and Q=D₁₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₂⋊₁D₁₉ = D₂₂₈	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₁₂	228	2+	C12:1D19	456,36
C₁₂⋊₂D₁₉ = C₄×D₅₇	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₁₂	228	2	C12:2D19	456,35
C₁₂⋊₃D₁₉ = C₃×D₇₆	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₁₂	228	2	C12:3D19	456,26

Non-split extensions G=N.Q with N=C₁₂ and Q=D₁₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₂.₁D₁₉ = Dic₁₁₄	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₁₂	456	2-	C12.1D19	456,34
C₁₂.₂D₁₉ = C₅₇⋊C₈	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₁₂	456	2	C12.2D19	456,5
C₁₂.₃D₁₉ = C₃×Dic₃₈	φ: D₁₉/C₁₉ → C₂ ⊆ Aut C₁₂	456	2	C12.3D19	456,24
C₁₂.₄D₁₉ = C₃×C₁₉⋊C₈	central extension (φ=1)	456	2	C12.4D19	456,4

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