Extensions 1→N→G→Q→1 with N=C₁₀ and Q=D₁₁

Direct product G=N×Q with N=C₁₀ and Q=D₁₁

		d	ρ	Label	ID
C₁₀×D₁₁		110	2	C10xD11	220,12

Semidirect products G=N:Q with N=C₁₀ and Q=D₁₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₀⋊D₁₁ = D₁₁₀	φ: D₁₁/C₁₁ → C₂ ⊆ Aut C₁₀	110	2+	C10:D11	220,14

Non-split extensions G=N.Q with N=C₁₀ and Q=D₁₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₀.D₁₁ = Dic₅₅	φ: D₁₁/C₁₁ → C₂ ⊆ Aut C₁₀	220	2-	C10.D11	220,5
C₁₀.₂D₁₁ = C₅×Dic₁₁	central extension (φ=1)	220	2	C10.2D11	220,4

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Extensions 1→N→G→Q→1 with N=C10 and Q=D11