Extensions 1→N→G→Q→1 with N=C₂₁ and Q=C₂×C₁₀

Direct product G=N×Q with N=C₂₁ and Q=C₂×C₁₀

		d	ρ	Label	ID
C₂×C₂₁₀		420		C2xC210	420,41

Semidirect products G=N:Q with N=C₂₁ and Q=C₂×C₁₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₁⋊(C₂×C₁₀) = C₅×S₃×D₇	φ: C₂×C₁₀/C₅ → C₂² ⊆ Aut C₂₁	105	4	C21:(C2xC10)	420,25
C₂₁⋊₂(C₂×C₁₀) = C₁₀×D₂₁	φ: C₂×C₁₀/C₁₀ → C₂ ⊆ Aut C₂₁	210	2	C21:2(C2xC10)	420,38
C₂₁⋊₃(C₂×C₁₀) = D₇×C₃₀	φ: C₂×C₁₀/C₁₀ → C₂ ⊆ Aut C₂₁	210	2	C21:3(C2xC10)	420,34
C₂₁⋊₄(C₂×C₁₀) = S₃×C₇₀	φ: C₂×C₁₀/C₁₀ → C₂ ⊆ Aut C₂₁	210	2	C21:4(C2xC10)	420,37

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