Extensions 1→N→G→Q→1 with N=D₂₁ and Q=C₂×C₄

Direct product G=N×Q with N=D₂₁ and Q=C₂×C₄

		d	ρ	Label	ID
C₂×C₄×D₂₁		168		C2xC4xD21	336,195

Semidirect products G=N:Q with N=D₂₁ and Q=C₂×C₄

extension	φ:Q→Out N	d	ρ	Label	ID
D₂₁⋊₁(C₂×C₄) = C₄×S₃×D₇	φ: C₂×C₄/C₄ → C₂ ⊆ Out D₂₁	84	4	D21:1(C2xC4)	336,147
D₂₁⋊₂(C₂×C₄) = C₂×D₂₁⋊C₄	φ: C₂×C₄/C₂² → C₂ ⊆ Out D₂₁	168		D21:2(C2xC4)	336,156

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