Extensions 1→N→G→Q→1 with N=C₂ and Q=D₁₀₉

Direct product G=N×Q with N=C₂ and Q=D₁₀₉

		d	ρ	Label	ID
D₂₁₈		218	2+	D218	436,4

Non-split extensions G=N.Q with N=C₂ and Q=D₁₀₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.D₁₀₉ = Dic₁₀₉	central extension (φ=1)	436	2-	C2.D109	436,1

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=D109