Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂²xC₄₂

Direct product G=NxQ with N=C₂ and Q=C₂²xC₄₂

		d	ρ	Label	ID
C₂³xC₄₂		336		C2^3xC42	336,228

Non-split extensions G=N.Q with N=C₂ and Q=C₂²xC₄₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂²xC₄₂) = D₄xC₄₂	central stem extension (φ=1)	168		C2.1(C2^2xC42)	336,205
C₂.₂(C₂²xC₄₂) = Q₈xC₄₂	central stem extension (φ=1)	336		C2.2(C2^2xC42)	336,206
C₂.₃(C₂²xC₄₂) = C₄oD₄xC₂₁	central stem extension (φ=1)	168	2	C2.3(C2^2xC42)	336,207

Extensions 1→N→G→Q→1 with N=C2 and Q=C22xC42