Extensions 1→N→G→Q→1 with N=C₂ and Q=C₅×C₄≀C₂

Direct product G=N×Q with N=C₂ and Q=C₅×C₄≀C₂

		d	ρ	Label	ID
C₁₀×C₄≀C₂		80		C10xC4wrC2	320,921

Non-split extensions G=N.Q with N=C₂ and Q=C₅×C₄≀C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₅×C₄≀C₂) = C₅×D₄⋊C₈	central extension (φ=1)	160		C2.1(C5xC4wrC2)	320,130
C₂.₂(C₅×C₄≀C₂) = C₅×Q₈⋊C₈	central extension (φ=1)	320		C2.2(C5xC4wrC2)	320,131
C₂.₃(C₅×C₄≀C₂) = C₅×C₄²⋊₆C₄	central extension (φ=1)	80		C2.3(C5xC4wrC2)	320,144
C₂.₄(C₅×C₄≀C₂) = C₅×C₂².SD₁₆	central stem extension (φ=1)	80		C2.4(C5xC4wrC2)	320,132
C₂.₅(C₅×C₄≀C₂) = C₅×C₂³.₃₁D₄	central stem extension (φ=1)	80		C2.5(C5xC4wrC2)	320,133
C₂.₆(C₅×C₄≀C₂) = C₅×C₄².C₂²	central stem extension (φ=1)	160		C2.6(C5xC4wrC2)	320,134
C₂.₇(C₅×C₄≀C₂) = C₅×C₄².₂C₂²	central stem extension (φ=1)	320		C2.7(C5xC4wrC2)	320,135

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