Extensions 1→N→G→Q→1 with N=C₂×C₉₀ and Q=C₂

Direct product G=N×Q with N=C₂×C₉₀ and Q=C₂

		d	ρ	Label	ID
C₂²×C₉₀		360		C2^2xC90	360,50

Semidirect products G=N:Q with N=C₂×C₉₀ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
(C₂×C₉₀)⋊₁C₂ = D₄×C₄₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	180	2	(C2xC90):1C2	360,31
(C₂×C₉₀)⋊₂C₂ = C₄₅⋊₇D₄	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	180	2	(C2xC90):2C2	360,29
(C₂×C₉₀)⋊₃C₂ = C₂²×D₄₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	180		(C2xC90):3C2	360,49
(C₂×C₉₀)⋊₄C₂ = C₅×C₉⋊D₄	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	180	2	(C2xC90):4C2	360,24
(C₂×C₉₀)⋊₅C₂ = D₉×C₂×C₁₀	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	180		(C2xC90):5C2	360,48
(C₂×C₉₀)⋊₆C₂ = C₉×C₅⋊D₄	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	180	2	(C2xC90):6C2	360,19
(C₂×C₉₀)⋊₇C₂ = D₅×C₂×C₁₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	180		(C2xC90):7C2	360,47

Non-split extensions G=N.Q with N=C₂×C₉₀ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
(C₂×C₉₀).₁C₂ = C₂×Dic₄₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	360		(C2xC90).1C2	360,28
(C₂×C₉₀).₂C₂ = C₁₀×Dic₉	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	360		(C2xC90).2C2	360,23
(C₂×C₉₀).₃C₂ = C₁₈×Dic₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂×C₉₀	360		(C2xC90).3C2	360,18

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