Extensions 1→N→G→Q→1 with N=C₂ and Q=D₂₀⋊C₄

Direct product G=N×Q with N=C₂ and Q=D₂₀⋊C₄

		d	ρ	Label	ID
C₂×D₂₀⋊C₄		80		C2xD20:C4	320,1104

Non-split extensions G=N.Q with N=C₂ and Q=D₂₀⋊C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₂₀⋊C₄) = D₂₀⋊C₈	central extension (φ=1)	160		C2.1(D20:C4)	320,209
C₂.₂(D₂₀⋊C₄) = D₁₀.₁₈D₈	central extension (φ=1)	80		C2.2(D20:C4)	320,212
C₂.₃(D₂₀⋊C₄) = Dic₅.₂₃D₈	central extension (φ=1)	160		C2.3(D20:C4)	320,262
C₂.₄(D₂₀⋊C₄) = D₁₀.₁D₈	central stem extension (φ=1)	80		C2.4(D20:C4)	320,206
C₂.₅(D₂₀⋊C₄) = Dic₅.D₈	central stem extension (φ=1)	320		C2.5(D20:C4)	320,211
C₂.₆(D₂₀⋊C₄) = D₁₀.D₈	central stem extension (φ=1)	80	8-	C2.6(D20:C4)	320,241
C₂.₇(D₂₀⋊C₄) = D₅.D₁₆	central stem extension (φ=1)	80	8+	C2.7(D20:C4)	320,242
C₂.₈(D₂₀⋊C₄) = D₈.F₅	central stem extension (φ=1)	160	8-	C2.8(D20:C4)	320,243
C₂.₉(D₂₀⋊C₄) = D₄₀.C₄	central stem extension (φ=1)	80	8+	C2.9(D20:C4)	320,244
C₂.₁₀(D₂₀⋊C₄) = D₄₀⋊₁C₄	central stem extension (φ=1)	80	8+	C2.10(D20:C4)	320,245
C₂.₁₁(D₂₀⋊C₄) = D₅.Q₃₂	central stem extension (φ=1)	80	8-	C2.11(D20:C4)	320,246
C₂.₁₂(D₂₀⋊C₄) = Q₁₆.F₅	central stem extension (φ=1)	160	8+	C2.12(D20:C4)	320,247
C₂.₁₃(D₂₀⋊C₄) = Dic₂₀.C₄	central stem extension (φ=1)	160	8-	C2.13(D20:C4)	320,248
C₂.₁₄(D₂₀⋊C₄) = D₁₀.SD₁₆	central stem extension (φ=1)	80		C2.14(D20:C4)	320,258
C₂.₁₅(D₂₀⋊C₄) = Dic₅.SD₁₆	central stem extension (φ=1)	160		C2.15(D20:C4)	320,263

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