Extensions 1→N→G→Q→1 with N=C₂ and Q=D₄×C₅²

Direct product G=N×Q with N=C₂ and Q=D₄×C₅²

		d	ρ	Label	ID
D₄×C₅×C₁₀		200		D4xC5xC10	400,202

Non-split extensions G=N.Q with N=C₂ and Q=D₄×C₅²

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₄×C₅²) = C₂²⋊C₄×C₅²	central extension (φ=1)	200		C2.1(D4xC5^2)	400,109
C₂.₂(D₄×C₅²) = C₄⋊C₄×C₅²	central extension (φ=1)	400		C2.2(D4xC5^2)	400,110
C₂.₃(D₄×C₅²) = D₈×C₅²	central stem extension (φ=1)	200		C2.3(D4xC5^2)	400,113
C₂.₄(D₄×C₅²) = SD₁₆×C₅²	central stem extension (φ=1)	200		C2.4(D4xC5^2)	400,114
C₂.₅(D₄×C₅²) = Q₁₆×C₅²	central stem extension (φ=1)	400		C2.5(D4xC5^2)	400,115

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