Extensions 1→N→G→Q→1 with N=C₂ and Q=C₉⋊D₁₂

Direct product G=N×Q with N=C₂ and Q=C₉⋊D₁₂

		d	ρ	Label	ID
C₂×C₉⋊D₁₂		72		C2xC9:D12	432,312

Non-split extensions G=N.Q with N=C₂ and Q=C₉⋊D₁₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₉⋊D₁₂) = Dic₉⋊Dic₃	central extension (φ=1)	144		C2.1(C9:D12)	432,88
C₂.₂(C₉⋊D₁₂) = C₆.₁₈D₃₆	central extension (φ=1)	72		C2.2(C9:D12)	432,92
C₂.₃(C₉⋊D₁₂) = D₆⋊Dic₉	central extension (φ=1)	144		C2.3(C9:D12)	432,93
C₂.₄(C₉⋊D₁₂) = C₉⋊D₂₄	central stem extension (φ=1)	72	4+	C2.4(C9:D12)	432,69
C₂.₅(C₉⋊D₁₂) = C₃₆.D₆	central stem extension (φ=1)	144	4-	C2.5(C9:D12)	432,71
C₂.₆(C₉⋊D₁₂) = C₁₈.D₁₂	central stem extension (φ=1)	72	4+	C2.6(C9:D12)	432,73
C₂.₇(C₉⋊D₁₂) = C₉⋊Dic₁₂	central stem extension (φ=1)	144	4-	C2.7(C9:D12)	432,75

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