Extensions 1→N→G→Q→1 with N=C₂ and Q=C₃⋊D₂₀

Direct product G=N×Q with N=C₂ and Q=C₃⋊D₂₀

		d	ρ	Label	ID
C₂×C₃⋊D₂₀		120		C2xC3:D20	240,146

Non-split extensions G=N.Q with N=C₂ and Q=C₃⋊D₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₃⋊D₂₀) = D₁₀⋊Dic₃	central extension (φ=1)	120		C2.1(C3:D20)	240,26
C₂.₂(C₃⋊D₂₀) = D₃₀⋊₄C₄	central extension (φ=1)	120		C2.2(C3:D20)	240,28
C₂.₃(C₃⋊D₂₀) = C₆.Dic₁₀	central extension (φ=1)	240		C2.3(C3:D20)	240,31
C₂.₄(C₃⋊D₂₀) = C₃⋊D₄₀	central stem extension (φ=1)	120	4+	C2.4(C3:D20)	240,14
C₂.₅(C₃⋊D₂₀) = C₆.D₂₀	central stem extension (φ=1)	120	4-	C2.5(C3:D20)	240,18
C₂.₆(C₃⋊D₂₀) = C₁₅⋊SD₁₆	central stem extension (φ=1)	120	4+	C2.6(C3:D20)	240,19
C₂.₇(C₃⋊D₂₀) = C₃⋊Dic₂₀	central stem extension (φ=1)	240	4-	C2.7(C3:D20)	240,23

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