Extensions 1→N→G→Q→1 with N=C₇ and Q=D₂₀

Direct product G=N×Q with N=C₇ and Q=D₂₀

		d	ρ	Label	ID
C₇×D₂₀		140	2	C7xD20	280,21

Semidirect products G=N:Q with N=C₇ and Q=D₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₇⋊₁D₂₀ = D₁₄₀	φ: D₂₀/C₂₀ → C₂ ⊆ Aut C₇	140	2+	C7:1D20	280,26
C₇⋊₂D₂₀ = C₇⋊D₂₀	φ: D₂₀/D₁₀ → C₂ ⊆ Aut C₇	140	4+	C7:2D20	280,12

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