Extensions 1→N→G→Q→1 with N=C₂ and Q=Dic₉

Direct product G=N×Q with N=C₂ and Q=Dic₉

		d	ρ	Label	ID
C₂×Dic₉		72		C2xDic9	72,7

Non-split extensions G=N.Q with N=C₂ and Q=Dic₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.Dic₉ = C₉⋊C₈	central extension (φ=1)	72	2	C2.Dic9	72,1

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=Dic9