Cremona's table of elliptic curves

520 = 2³ · 5 · 13

Field	Data	Notes
Atkin-Lehner	2+ 5+ 13+	Signs for the Atkin-Lehner involutions
Class	520a	Isogeny class
Conductor	520	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	4326400 = 210 · 52 · 132	Discriminant
Eigenvalues	2+  0 5+  0 -4 13+ -6  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-43,-42]	[a1,a2,a3,a4,a6]
Generators	[-2:6:1]	Generators of the group modulo torsion
j	8586756/4225	j-invariant
L	1.8629119108572	L(r)(E,1)/r!
Ω	1.9603085488594	Real period
R	1.9006313184127	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	1040a2 4160d2 4680s2 2600j2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 520a2

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
+	0	+	0	-4	+	-6	4	0	-2	-4	-6	-6	8	0	2	4	-10	12	-4	14	-16	12	2	-2

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Quadratic twists for elliptic curve 520a2

-4	8	-3	5	-7	-11	13
1040a2	4160d2	4680s2	2600j2	25480f2	62920q2	6760i2

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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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