Extensions 1→N→G→Q→1 with N=C₂₁ and Q=D₁₀

Direct product G=NxQ with N=C₂₁ and Q=D₁₀

		d	ρ	Label	ID
D₅xC₄₂		210	2	D5xC42	420,35

Semidirect products G=N:Q with N=C₂₁ and Q=D₁₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₁:₁D₁₀ = D₇xD₁₅	φ: D₁₀/C₅ → C₂² ⊆ Aut C₂₁	105	4+	C21:1D10	420,26
C₂₁:₂D₁₀ = S₃xD₃₅	φ: D₁₀/C₅ → C₂² ⊆ Aut C₂₁	105	4+	C21:2D10	420,29
C₂₁:₃D₁₀ = D₁₅:D₇	φ: D₁₀/C₅ → C₂² ⊆ Aut C₂₁	105	4	C21:3D10	420,30
C₂₁:₄D₁₀ = D₅xD₂₁	φ: D₁₀/D₅ → C₂ ⊆ Aut C₂₁	105	4+	C21:4D10	420,28
C₂₁:₅D₁₀ = C₃xD₅xD₇	φ: D₁₀/D₅ → C₂ ⊆ Aut C₂₁	105	4	C21:5D10	420,24
C₂₁:₆D₁₀ = S₃xC₇xD₅	φ: D₁₀/D₅ → C₂ ⊆ Aut C₂₁	105	4	C21:6D10	420,27
C₂₁:₇D₁₀ = D₂₁₀	φ: D₁₀/C₁₀ → C₂ ⊆ Aut C₂₁	210	2+	C21:7D10	420,40
C₂₁:₈D₁₀ = C₆xD₃₅	φ: D₁₀/C₁₀ → C₂ ⊆ Aut C₂₁	210	2	C21:8D10	420,36
C₂₁:₉D₁₀ = C₁₄xD₁₅	φ: D₁₀/C₁₀ → C₂ ⊆ Aut C₂₁	210	2	C21:9D10	420,39

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