Extensions 1→N→G→Q→1 with N=C₂ and Q=C₅×D₉

Direct product G=N×Q with N=C₂ and Q=C₅×D₉

		d	ρ	Label	ID
C₁₀×D₉		90	2	C10xD9	180,10

Non-split extensions G=N.Q with N=C₂ and Q=C₅×D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(C₅×D₉) = C₅×Dic₉	central extension (φ=1)	180	2	C2.(C5xD9)	180,1

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Extensions 1→N→G→Q→1 with N=C2 and Q=C5×D9