Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂₀:₂D₄

Direct product G=NxQ with N=C₂ and Q=C₂₀:₂D₄

		d	ρ	Label	ID
C₂xC₂₀:₂D₄		160		C2xC20:2D4	320,1472

Non-split extensions G=N.Q with N=C₂ and Q=C₂₀:₂D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂₀:₂D₄) = C₂⁴.₃D₁₀	central extension (φ=1)	160		C2.1(C20:2D4)	320,571
C₂.₂(C₂₀:₂D₄) = C₂⁴.₁₂D₁₀	central extension (φ=1)	160		C2.2(C20:2D4)	320,583
C₂.₃(C₂₀:₂D₄) = C₂₀:₄(C₄:C₄)	central extension (φ=1)	320		C2.3(C20:2D4)	320,600
C₂.₄(C₂₀:₂D₄) = D₁₀:₄(C₄:C₄)	central extension (φ=1)	160		C2.4(C20:2D4)	320,614
C₂.₅(C₂₀:₂D₄) = C₂⁴.₁₉D₁₀	central extension (φ=1)	160		C2.5(C20:2D4)	320,848
C₂.₆(C₂₀:₂D₄) = C₂⁴.₆D₁₀	central stem extension (φ=1)	160		C2.6(C20:2D4)	320,575
C₂.₇(C₂₀:₂D₄) = C₂⁴.₁₆D₁₀	central stem extension (φ=1)	160		C2.7(C20:2D4)	320,588
C₂.₈(C₂₀:₂D₄) = (C₂xC₂₀).₂₈₇D₄	central stem extension (φ=1)	320		C2.8(C20:2D4)	320,607
C₂.₉(C₂₀:₂D₄) = (C₂xC₂₀).₂₉₀D₄	central stem extension (φ=1)	160		C2.9(C20:2D4)	320,620
C₂.₁₀(C₂₀:₂D₄) = C₄².₆₁D₁₀	central stem extension (φ=1)	160		C2.10(C20:2D4)	320,681
C₂.₁₁(C₂₀:₂D₄) = D₂₀.₂₃D₄	central stem extension (φ=1)	160		C2.11(C20:2D4)	320,684
C₂.₁₂(C₂₀:₂D₄) = C₂₀:₂D₈	central stem extension (φ=1)	160		C2.12(C20:2D4)	320,699
C₂.₁₃(C₂₀:₂D₄) = Dic₁₀:₉D₄	central stem extension (φ=1)	160		C2.13(C20:2D4)	320,702
C₂.₁₄(C₂₀:₂D₄) = C₂₀:₅SD₁₆	central stem extension (φ=1)	160		C2.14(C20:2D4)	320,710
C₂.₁₅(C₂₀:₂D₄) = C₂₀:Q₁₆	central stem extension (φ=1)	320		C2.15(C20:2D4)	320,717
C₂.₁₆(C₂₀:₂D₄) = C₄₀:₆D₄	central stem extension (φ=1)	160		C2.16(C20:2D4)	320,784
C₂.₁₇(C₂₀:₂D₄) = C₄₀:₁₂D₄	central stem extension (φ=1)	160		C2.17(C20:2D4)	320,786
C₂.₁₈(C₂₀:₂D₄) = C₄₀.₂₃D₄	central stem extension (φ=1)	80	4	C2.18(C20:2D4)	320,787
C₂.₁₉(C₂₀:₂D₄) = C₄₀:₁₄D₄	central stem extension (φ=1)	160		C2.19(C20:2D4)	320,798
C₂.₂₀(C₂₀:₂D₄) = C₄₀:₈D₄	central stem extension (φ=1)	160		C2.20(C20:2D4)	320,801
C₂.₂₁(C₂₀:₂D₄) = C₄₀.₄₄D₄	central stem extension (φ=1)	80	4	C2.21(C20:2D4)	320,804
C₂.₂₂(C₂₀:₂D₄) = D₁₀:₃Q₁₆	central stem extension (φ=1)	160		C2.22(C20:2D4)	320,815
C₂.₂₃(C₂₀:₂D₄) = C₄₀.₃₆D₄	central stem extension (φ=1)	160		C2.23(C20:2D4)	320,816
C₂.₂₄(C₂₀:₂D₄) = C₄₀.₂₉D₄	central stem extension (φ=1)	160	4	C2.24(C20:2D4)	320,819
C₂.₂₅(C₂₀:₂D₄) = C₂⁴.₂₀D₁₀	central stem extension (φ=1)	160		C2.25(C20:2D4)	320,849
C₂.₂₆(C₂₀:₂D₄) = C₂⁴.₂₁D₁₀	central stem extension (φ=1)	160		C2.26(C20:2D4)	320,850

Extensions 1→N→G→Q→1 with N=C2 and Q=C20:2D4

Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂₀:₂D₄