Extensions 1→N→G→Q→1 with N=C₂₂₀ and Q=C₂

Direct product G=N×Q with N=C₂₂₀ and Q=C₂

		d	ρ	Label	ID
C₂×C₂₂₀		440		C2xC220	440,39

Semidirect products G=N:Q with N=C₂₂₀ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₂₀⋊₁C₂ = D₂₂₀	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	220	2+	C220:1C2	440,36
C₂₂₀⋊₂C₂ = C₄×D₅₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	220	2	C220:2C2	440,35
C₂₂₀⋊₃C₂ = C₅×D₄₄	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	220	2	C220:3C2	440,26
C₂₂₀⋊₄C₂ = C₂₀×D₁₁	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	220	2	C220:4C2	440,25
C₂₂₀⋊₅C₂ = C₁₁×D₂₀	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	220	2	C220:5C2	440,31
C₂₂₀⋊₆C₂ = D₅×C₄₄	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	220	2	C220:6C2	440,30
C₂₂₀⋊₇C₂ = D₄×C₅₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	220	2	C220:7C2	440,40

Non-split extensions G=N.Q with N=C₂₂₀ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₂₀.₁C₂ = Dic₁₁₀	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	440	2-	C220.1C2	440,34
C₂₂₀.₂C₂ = C₅₅⋊₃C₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	440	2	C220.2C2	440,5
C₂₂₀.₃C₂ = C₅×Dic₂₂	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	440	2	C220.3C2	440,24
C₂₂₀.₄C₂ = C₅×C₁₁⋊C₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	440	2	C220.4C2	440,4
C₂₂₀.₅C₂ = C₁₁×Dic₁₀	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	440	2	C220.5C2	440,29
C₂₂₀.₆C₂ = C₁₁×C₅⋊₂C₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	440	2	C220.6C2	440,3
C₂₂₀.₇C₂ = Q₈×C₅₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₀	440	2	C220.7C2	440,41

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