Extensions 1→N→G→Q→1 with N=C₂₂₈ and Q=C₂

Direct product G=N×Q with N=C₂₂₈ and Q=C₂

		d	ρ	Label	ID
C₂×C₂₂₈		456		C2xC228	456,39

Semidirect products G=N:Q with N=C₂₂₈ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₂₈⋊₁C₂ = D₂₂₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	228	2+	C228:1C2	456,36
C₂₂₈⋊₂C₂ = C₄×D₅₇	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	228	2	C228:2C2	456,35
C₂₂₈⋊₃C₂ = C₃×D₇₆	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	228	2	C228:3C2	456,26
C₂₂₈⋊₄C₂ = C₁₂×D₁₉	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	228	2	C228:4C2	456,25
C₂₂₈⋊₅C₂ = C₁₉×D₁₂	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	228	2	C228:5C2	456,31
C₂₂₈⋊₆C₂ = S₃×C₇₆	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	228	2	C228:6C2	456,30
C₂₂₈⋊₇C₂ = D₄×C₅₇	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	228	2	C228:7C2	456,40

Non-split extensions G=N.Q with N=C₂₂₈ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₂₈.₁C₂ = Dic₁₁₄	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	456	2-	C228.1C2	456,34
C₂₂₈.₂C₂ = C₅₇⋊C₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	456	2	C228.2C2	456,5
C₂₂₈.₃C₂ = C₃×Dic₃₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	456	2	C228.3C2	456,24
C₂₂₈.₄C₂ = C₃×C₁₉⋊C₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	456	2	C228.4C2	456,4
C₂₂₈.₅C₂ = C₁₉×Dic₆	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	456	2	C228.5C2	456,29
C₂₂₈.₆C₂ = C₁₉×C₃⋊C₈	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	456	2	C228.6C2	456,3
C₂₂₈.₇C₂ = Q₈×C₅₇	φ: C₂/C₁ → C₂ ⊆ Aut C₂₂₈	456	2	C228.7C2	456,41

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