Cremona's table of elliptic curves

4020 = 2² · 3 · 5 · 67

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 67+	Signs for the Atkin-Lehner involutions
Class	4020a	Isogeny class
Conductor	4020	Conductor
∏ cp	24	Product of Tamagawa factors cp
deg	960	Modular degree for the optimal curve
Δ	-34732800 = -1 · 28 · 34 · 52 · 67	Discriminant
Eigenvalues	2- 3- 5+ -2 -2  2  5  1	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-21,279]	[a1,a2,a3,a4,a6]
Generators	[9:-30:1]	Generators of the group modulo torsion
j	-4194304/135675	j-invariant
L	3.8703129980632	L(r)(E,1)/r!
Ω	1.7238273867891	Real period
R	0.093549413834494	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	16080o1 64320n1 12060b1 20100a1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 4020a1

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-	-	+	-2	-2	2	5	1	-3	-9	-4	-11	6	10	-5	-12	7	8	+	4	-5	4	-4	-9	2

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Quadratic twists for elliptic curve 4020a1

-4	8	-3	5
16080o1	64320n1	12060b1	20100a1

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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