Extensions 1→N→G→Q→1 with N=D₂₁ and Q=C₃

Direct product G=N×Q with N=D₂₁ and Q=C₃

		d	ρ	Label	ID
C₃×D₂₁		42	2	C3xD21	126,13

Semidirect products G=N:Q with N=D₂₁ and Q=C₃

extension	φ:Q→Out N	d	ρ	Label	ID
D₂₁⋊C₃ = C₃⋊F₇	φ: C₃/C₁ → C₃ ⊆ Out D₂₁	21	6+	D21:C3	126,9

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