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
C₁₈×D₁₂		144		C18xD12	432,346

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) = C₉×C₄⋊Dic₃	central extension (φ=1)	144		C2.1(C9xD12)	432,133
C₂.₂(C₉×D₁₂) = C₉×D₆⋊C₄	central extension (φ=1)	144		C2.2(C9xD12)	432,135
C₂.₃(C₉×D₁₂) = C₉×C₂₄⋊C₂	central stem extension (φ=1)	144	2	C2.3(C9xD12)	432,111
C₂.₄(C₉×D₁₂) = C₉×D₂₄	central stem extension (φ=1)	144	2	C2.4(C9xD12)	432,112
C₂.₅(C₉×D₁₂) = C₉×Dic₁₂	central stem extension (φ=1)	144	2	C2.5(C9xD12)	432,113

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