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

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

		d	ρ	Label	ID
C₂×D₄		8		C2xD4	16,11

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

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₄ = C₂²⋊C₄	central extension (φ=1)	8		C2.1D4	16,3
C₂.₂D₄ = C₄⋊C₄	central extension (φ=1)	16		C2.2D4	16,4
C₂.₃D₄ = D₈	central stem extension (φ=1)	8	2+	C2.3D4	16,7
C₂.₄D₄ = SD₁₆	central stem extension (φ=1)	8	2	C2.4D4	16,8
C₂.₅D₄ = Q₁₆	central stem extension (φ=1)	16	2-	C2.5D4	16,9

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