Extensions 1→N→G→Q→1 with N=C₂² and Q=C₅×C₂₀

Direct product G=N×Q with N=C₂² and Q=C₅×C₂₀

		d	ρ	Label	ID
C₂×C₁₀×C₂₀		400		C2xC10xC20	400,201

Semidirect products G=N:Q with N=C₂² and Q=C₅×C₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊(C₅×C₂₀) = C₂²⋊C₄×C₅²	φ: C₅×C₂₀/C₅×C₁₀ → C₂ ⊆ Aut C₂²	200		C2^2:(C5xC20)	400,109

Non-split extensions G=N.Q with N=C₂² and Q=C₅×C₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².(C₅×C₂₀) = M₄(2)×C₅²	φ: C₅×C₂₀/C₅×C₁₀ → C₂ ⊆ Aut C₂²	200		C2^2.(C5xC20)	400,112

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Extensions 1→N→G→Q→1 with N=C22 and Q=C5×C20