Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂²×C₄₂

Direct product G=N×Q with N=C₂ and Q=C₂²×C₄₂

		d	ρ	Label	ID
C₂³×C₄₂		336		C2^3xC42	336,228

Non-split extensions G=N.Q with N=C₂ and Q=C₂²×C₄₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂²×C₄₂) = D₄×C₄₂	central stem extension (φ=1)	168		C2.1(C2^2xC42)	336,205
C₂.₂(C₂²×C₄₂) = Q₈×C₄₂	central stem extension (φ=1)	336		C2.2(C2^2xC42)	336,206
C₂.₃(C₂²×C₄₂) = C₄○D₄×C₂₁	central stem extension (φ=1)	168	2	C2.3(C2^2xC42)	336,207

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Extensions 1→N→G→Q→1 with N=C2 and Q=C22×C42