Extensions 1→N→G→Q→1 with N=C₂ and Q=C₁₀×C₂₀

Direct product G=N×Q with N=C₂ and Q=C₁₀×C₂₀

		d	ρ	Label	ID
C₂×C₁₀×C₂₀		400		C2xC10xC20	400,201

Non-split extensions G=N.Q with N=C₂ and Q=C₁₀×C₂₀

extension	φ:Q→Aut N	d	Label	ID
C₂.₁(C₁₀×C₂₀) = C₂²⋊C₄×C₅²	central stem extension (φ=1)	200	C2.1(C10xC20)	400,109
C₂.₂(C₁₀×C₂₀) = C₄⋊C₄×C₅²	central stem extension (φ=1)	400	C2.2(C10xC20)	400,110
C₂.₃(C₁₀×C₂₀) = M₄(2)×C₅²	central stem extension (φ=1)	200	C2.3(C10xC20)	400,112

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Extensions 1→N→G→Q→1 with N=C2 and Q=C10×C20