Extensions 1→N→G→Q→1 with N=C₇² and Q=C₃

Direct product G=N×Q with N=C₇² and Q=C₃

		d	ρ	Label	ID
C₇×C₂₁		147		C7xC21	147,6

Semidirect products G=N:Q with N=C₇² and Q=C₃

extension	φ:Q→Aut N	d	ρ	Label	ID
C₇²⋊₁C₃ = C₇×C₇⋊C₃	φ: C₃/C₁ → C₃ ⊆ Aut C₇²	21	3	C7^2:1C3	147,3
C₇²⋊₂C₃ = C₇²⋊C₃	φ: C₃/C₁ → C₃ ⊆ Aut C₇²	49		C7^2:2C3	147,4
C₇²⋊₃C₃ = C₇²⋊₃C₃	φ: C₃/C₁ → C₃ ⊆ Aut C₇²	21	3	C7^2:3C3	147,5

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