Extensions 1→N→G→Q→1 with N=C₉ and Q=C₂₁

Direct product G=N×Q with N=C₉ and Q=C₂₁

		d	ρ	Label	ID
C₃×C₆₃		189		C3xC63	189,9

Semidirect products G=N:Q with N=C₉ and Q=C₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₉⋊C₂₁ = C₇×3_-¹⁺²	φ: C₂₁/C₇ → C₃ ⊆ Aut C₉	63	3	C9:C21	189,11

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