Extensions 1→N→G→Q→1 with N=C₁₅₅ and Q=C₂

Direct product G=NxQ with N=C₁₅₅ and Q=C₂

		d	ρ	Label	ID
C₃₁₀		310	1	C310	310,6

Semidirect products G=N:Q with N=C₁₅₅ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₅₅:₁C₂ = D₁₅₅	φ: C₂/C₁ → C₂ ⊆ Aut C₁₅₅	155	2+	C155:1C2	310,5
C₁₅₅:₂C₂ = C₅xD₃₁	φ: C₂/C₁ → C₂ ⊆ Aut C₁₅₅	155	2	C155:2C2	310,4
C₁₅₅:₃C₂ = D₅xC₃₁	φ: C₂/C₁ → C₂ ⊆ Aut C₁₅₅	155	2	C155:3C2	310,3

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