Extensions 1→N→G→Q→1 with N=C₂ and Q=C₅×Dic₉

Direct product G=N×Q with N=C₂ and Q=C₅×Dic₉

		d	ρ	Label	ID
C₁₀×Dic₉		360		C10xDic9	360,23

Non-split extensions G=N.Q with N=C₂ and Q=C₅×Dic₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(C₅×Dic₉) = C₅×C₉⋊C₈	central extension (φ=1)	360	2	C2.(C5xDic9)	360,1

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=C5×Dic9