Extensions 1→N→G→Q→1 with N=C₂ and Q=D₂₁⋊C₄

Direct product G=N×Q with N=C₂ and Q=D₂₁⋊C₄

		d	ρ	Label	ID
C₂×D₂₁⋊C₄		168		C2xD21:C4	336,156

Non-split extensions G=N.Q with N=C₂ and Q=D₂₁⋊C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₂₁⋊C₄) = D₂₁⋊C₈	central extension (φ=1)	168	4	C2.1(D21:C4)	336,25
C₂.₂(D₂₁⋊C₄) = Dic₃×Dic₇	central extension (φ=1)	336		C2.2(D21:C4)	336,41
C₂.₃(D₂₁⋊C₄) = D₄₂.C₄	central stem extension (φ=1)	168	4	C2.3(D21:C4)	336,28
C₂.₄(D₂₁⋊C₄) = D₄₂⋊C₄	central stem extension (φ=1)	168		C2.4(D21:C4)	336,44
C₂.₅(D₂₁⋊C₄) = Dic₂₁⋊C₄	central stem extension (φ=1)	336		C2.5(D21:C4)	336,46

׿

×

⋊

ℤ

𝔽

○

≀

ℚ

◁