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

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

		d	ρ	Label	ID
C₂×C₄≀C₂		16		C2xC4wrC2	64,101

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

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁C₄≀C₂ = D₄⋊C₈	central extension (φ=1)	32		C2.1C4wrC2	64,6
C₂.₂C₄≀C₂ = Q₈⋊C₈	central extension (φ=1)	64		C2.2C4wrC2	64,7
C₂.₃C₄≀C₂ = C₄²⋊₆C₄	central extension (φ=1)	16		C2.3C4wrC2	64,20
C₂.₄C₄≀C₂ = C₂².SD₁₆	central stem extension (φ=1)	16		C2.4C4wrC2	64,8
C₂.₅C₄≀C₂ = C₂³.₃₁D₄	central stem extension (φ=1)	16		C2.5C4wrC2	64,9
C₂.₆C₄≀C₂ = C₄².C₂²	central stem extension (φ=1)	32		C2.6C4wrC2	64,10
C₂.₇C₄≀C₂ = C₄².₂C₂²	central stem extension (φ=1)	64		C2.7C4wrC2	64,11

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