Extensions 1→N→G→Q→1 with N=C₂ and Q=C₃×D₂₁

Direct product G=N×Q with N=C₂ and Q=C₃×D₂₁

		d	ρ	Label	ID
C₆×D₂₁		84	2	C6xD21	252,43

Non-split extensions G=N.Q with N=C₂ and Q=C₃×D₂₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(C₃×D₂₁) = C₃×Dic₂₁	central extension (φ=1)	84	2	C2.(C3xD21)	252,22

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=C3×D21