Extensions 1→N→G→Q→1 with N=D₂₁ and Q=C₂²

Direct product G=N×Q with N=D₂₁ and Q=C₂²

		d	ρ	Label	ID
C₂²×D₂₁		84		C2^2xD21	168,56

Semidirect products G=N:Q with N=D₂₁ and Q=C₂²

extension	φ:Q→Out N	d	ρ	Label	ID
D₂₁⋊C₂² = C₂×S₃×D₇	φ: C₂²/C₂ → C₂ ⊆ Out D₂₁	42	4+	D21:C2^2	168,50

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