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

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

		d	ρ	Label	ID
C₂×C₂₁⋊Q₈		336		C2xC21:Q8	336,160

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

extension	φ:Q→Aut N	d	Label	ID
C₂.₁(C₂₁⋊Q₈) = C₄₂.Q₈	central extension (φ=1)	336	C2.1(C21:Q8)	336,45
C₂.₂(C₂₁⋊Q₈) = Dic₂₁⋊C₄	central extension (φ=1)	336	C2.2(C21:Q8)	336,46
C₂.₃(C₂₁⋊Q₈) = C₁₄.Dic₆	central extension (φ=1)	336	C2.3(C21:Q8)	336,47

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