Extensions 1→N→G→Q→1 with N=C₂₀₀ and Q=C₂

Direct product G=N×Q with N=C₂₀₀ and Q=C₂

		d	ρ	Label	ID
C₂×C₂₀₀		400		C2xC200	400,23

Semidirect products G=N:Q with N=C₂₀₀ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₀₀⋊₁C₂ = D₂₀₀	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	200	2+	C200:1C2	400,8
C₂₀₀⋊₂C₂ = C₂₀₀⋊C₂	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	200	2	C200:2C2	400,7
C₂₀₀⋊₃C₂ = C₈×D₂₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	200	2	C200:3C2	400,5
C₂₀₀⋊₄C₂ = C₈⋊D₂₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	200	2	C200:4C2	400,6
C₂₀₀⋊₅C₂ = D₈×C₂₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	200	2	C200:5C2	400,25
C₂₀₀⋊₆C₂ = SD₁₆×C₂₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	200	2	C200:6C2	400,26
C₂₀₀⋊₇C₂ = M₄(2)×C₂₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	200	2	C200:7C2	400,24

Non-split extensions G=N.Q with N=C₂₀₀ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₀₀.₁C₂ = Dic₁₀₀	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	400	2-	C200.1C2	400,4
C₂₀₀.₂C₂ = C₂₅⋊₂C₁₆	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	400	2	C200.2C2	400,1
C₂₀₀.₃C₂ = Q₁₆×C₂₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₀	400	2	C200.3C2	400,27

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