Extensions 1→N→G→Q→1 with N=C₂ and Q=Dic₁₈

Direct product G=NxQ with N=C₂ and Q=Dic₁₈

		d	ρ	Label	ID
C₂xDic₁₈		144		C2xDic18	144,37

Non-split extensions G=N.Q with N=C₂ and Q=Dic₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁Dic₁₈ = Dic₉:C₄	central extension (φ=1)	144		C2.1Dic18	144,12
C₂.₂Dic₁₈ = C₄:Dic₉	central extension (φ=1)	144		C2.2Dic18	144,13

Extensions 1→N→G→Q→1 with N=C2 and Q=Dic18