Extensions 1→N→G→Q→1 with N=C₂ and Q=Q₈×C₂₁

Direct product G=N×Q with N=C₂ and Q=Q₈×C₂₁

		d	ρ	Label	ID
Q₈×C₄₂		336		Q8xC42	336,206

Non-split extensions G=N.Q with N=C₂ and Q=Q₈×C₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(Q₈×C₂₁) = C₄⋊C₄×C₂₁	central extension (φ=1)	336		C2.(Q8xC21)	336,108

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Extensions 1→N→G→Q→1 with N=C2 and Q=Q8×C21