Extensions 1→N→G→Q→1 with N=C₂ and Q=D₁₂₀

Direct product G=N×Q with N=C₂ and Q=D₁₂₀

		d	ρ	Label	ID
C₂×D₁₂₀		240		C2xD120	480,868

Non-split extensions G=N.Q with N=C₂ and Q=D₁₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₁₂₀ = C₁₂₀⋊₉C₄	central extension (φ=1)	480		C2.1D120	480,178
C₂.₂D₁₂₀ = D₆₀⋊₈C₄	central extension (φ=1)	240		C2.2D120	480,181
C₂.₃D₁₂₀ = D₂₄₀	central stem extension (φ=1)	240	2+	C2.3D120	480,159
C₂.₄D₁₂₀ = C₄₈⋊D₅	central stem extension (φ=1)	240	2	C2.4D120	480,160
C₂.₅D₁₂₀ = Dic₁₂₀	central stem extension (φ=1)	480	2-	C2.5D120	480,161

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