Extensions 1→N→G→Q→1 with N=C₂ and Q=C₅×C₂.C₄²

Direct product G=N×Q with N=C₂ and Q=C₅×C₂.C₄²

		d	ρ	Label	ID
C₁₀×C₂.C₄²		320		C10xC2.C4^2	320,876

Non-split extensions G=N.Q with N=C₂ and Q=C₅×C₂.C₄²

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₅×C₂.C₄²) = C₅×C₂².₇C₄²	central extension (φ=1)	320		C2.1(C5xC2.C4^2)	320,141
C₂.₂(C₅×C₂.C₄²) = C₅×C₄.₉C₄²	central stem extension (φ=1)	80	4	C2.2(C5xC2.C4^2)	320,142
C₂.₃(C₅×C₂.C₄²) = C₅×C₄.₁₀C₄²	central stem extension (φ=1)	80	4	C2.3(C5xC2.C4^2)	320,143
C₂.₄(C₅×C₂.C₄²) = C₅×C₄²⋊₆C₄	central stem extension (φ=1)	80		C2.4(C5xC2.C4^2)	320,144
C₂.₅(C₅×C₂.C₄²) = C₅×C₂².₄Q₁₆	central stem extension (φ=1)	320		C2.5(C5xC2.C4^2)	320,145
C₂.₆(C₅×C₂.C₄²) = C₅×C₄.C₄²	central stem extension (φ=1)	160		C2.6(C5xC2.C4^2)	320,146
C₂.₇(C₅×C₂.C₄²) = C₅×C₂³.₉D₄	central stem extension (φ=1)	80		C2.7(C5xC2.C4^2)	320,147
C₂.₈(C₅×C₂.C₄²) = C₅×C₂².C₄²	central stem extension (φ=1)	160		C2.8(C5xC2.C4^2)	320,148
C₂.₉(C₅×C₂.C₄²) = C₅×M₄(2)⋊₄C₄	central stem extension (φ=1)	80	4	C2.9(C5xC2.C4^2)	320,149

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