Extensions 1→N→G→Q→1 with N=C₂ and Q=D₈₉

Direct product G=N×Q with N=C₂ and Q=D₈₉

		d	ρ	Label	ID
D₁₇₈		178	2+	D178	356,4

Non-split extensions G=N.Q with N=C₂ and Q=D₈₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.D₈₉ = Dic₈₉	central extension (φ=1)	356	2-	C2.D89	356,1

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Extensions 1→N→G→Q→1 with N=C2 and Q=D89