Extensions 1→N→G→Q→1 with N=C₂ and Q=D₅×C₂₁

Direct product G=N×Q with N=C₂ and Q=D₅×C₂₁

		d	ρ	Label	ID
D₅×C₄₂		210	2	D5xC42	420,35

Non-split extensions G=N.Q with N=C₂ and Q=D₅×C₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(D₅×C₂₁) = Dic₅×C₂₁	central extension (φ=1)	420	2	C2.(D5xC21)	420,6

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=D5×C21