Extensions 1→N→G→Q→1 with N=C₂ and Q=C₉⋊D₉

Direct product G=N×Q with N=C₂ and Q=C₉⋊D₉

		d	ρ	Label	ID
C₂×C₉⋊D₉		162		C2xC9:D9	324,74

Non-split extensions G=N.Q with N=C₂ and Q=C₉⋊D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(C₉⋊D₉) = C₉⋊Dic₉	central extension (φ=1)	324		C2.(C9:D9)	324,19

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=C9⋊D9