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

Direct product G=NxQ with N=D₂₁ and Q=C₄

		d	ρ	Label	ID
C₄xD₂₁		84	2	C4xD21	168,35

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

extension	φ:Q→Out N	d	ρ	Label	ID
D₂₁:C₄ = D₂₁:C₄	φ: C₄/C₂ → C₂ ⊆ Out D₂₁	84	4+	D21:C4	168,14

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