Extensions 1→N→G→Q→1 with N=C₂ and Q=D₄₅

Direct product G=N×Q with N=C₂ and Q=D₄₅

		d	ρ	Label	ID
D₉₀		90	2+	D90	180,11

Non-split extensions G=N.Q with N=C₂ and Q=D₄₅

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.D₄₅ = Dic₄₅	central extension (φ=1)	180	2-	C2.D45	180,3

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Extensions 1→N→G→Q→1 with N=C2 and Q=D45