Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂².D₂₀

Direct product G=N×Q with N=C₂ and Q=C₂².D₂₀

		d	ρ	Label	ID
C₂×C₂².D₂₀		160		C2xC2^2.D20	320,1164

Non-split extensions G=N.Q with N=C₂ and Q=C₂².D₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂².D₂₀) = C₂.(C₄×D₂₀)	central extension (φ=1)	320		C2.1(C2^2.D20)	320,280
C₂.₂(C₂².D₂₀) = C₁₀.₅₅(C₄×D₄)	central extension (φ=1)	160		C2.2(C2^2.D20)	320,297
C₂.₃(C₂².D₂₀) = C₂³.₄₂D₂₀	central extension (φ=1)	160		C2.3(C2^2.D20)	320,570
C₂.₄(C₂².D₂₀) = C₂⁴.₄₇D₁₀	central extension (φ=1)	160		C2.4(C2^2.D20)	320,577
C₂.₅(C₂².D₂₀) = C₂³.₄₅D₂₀	central extension (φ=1)	160		C2.5(C2^2.D20)	320,585
C₂.₆(C₂².D₂₀) = (C₂×C₂₀).₂₈D₄	central stem extension (φ=1)	320		C2.6(C2^2.D20)	320,286
C₂.₇(C₂².D₂₀) = C₁₀.(C₄⋊Q₈)	central stem extension (φ=1)	320		C2.7(C2^2.D20)	320,288
C₂.₈(C₂².D₂₀) = (C₂×C₄).₂₁D₂₀	central stem extension (φ=1)	160		C2.8(C2^2.D20)	320,301
C₂.₉(C₂².D₂₀) = (C₂×C₂₀).₃₃D₄	central stem extension (φ=1)	160		C2.9(C2^2.D20)	320,304
C₂.₁₀(C₂².D₂₀) = C₂³.₃₄D₂₀	central stem extension (φ=1)	160		C2.10(C2^2.D20)	320,348
C₂.₁₁(C₂².D₂₀) = C₂³.₃₅D₂₀	central stem extension (φ=1)	160		C2.11(C2^2.D20)	320,349
C₂.₁₂(C₂².D₂₀) = C₂³.₁₀D₂₀	central stem extension (φ=1)	160		C2.12(C2^2.D20)	320,350
C₂.₁₃(C₂².D₂₀) = C₂³.₃₈D₂₀	central stem extension (φ=1)	160		C2.13(C2^2.D20)	320,362
C₂.₁₄(C₂².D₂₀) = C₂².D₄₀	central stem extension (φ=1)	160		C2.14(C2^2.D20)	320,363
C₂.₁₅(C₂².D₂₀) = C₂³.₁₃D₂₀	central stem extension (φ=1)	160		C2.15(C2^2.D20)	320,364
C₂.₁₆(C₂².D₂₀) = C₂³.₁₄D₂₀	central stem extension (φ=1)	160		C2.16(C2^2.D20)	320,580
C₂.₁₇(C₂².D₂₀) = C₂⁴.₁₆D₁₀	central stem extension (φ=1)	160		C2.17(C2^2.D20)	320,588

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