Cremona's table of elliptic curves

260 = 2² · 5 · 13

Field	Data	Notes
Atkin-Lehner	2- 5+ 13+	Signs for the Atkin-Lehner involutions
Class	260a	Isogeny class
Conductor	260	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	48	Modular degree for the optimal curve
Δ	13520 = 24 · 5 · 132	Discriminant
Eigenvalues	2-  2 5+  2  4 13+  2  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-281,1910]	[a1,a2,a3,a4,a6]
j	153910165504/845	j-invariant
L	1.7644191645459	L(r)(E,1)/r!
Ω	3.5288383290917	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	1040d1 4160h1 2340g1 1300d1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 260a1

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

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Quadratic twists for elliptic curve 260a1

-4	8	-3	5	-7	-11	13	17	-19
1040d1	4160h1	2340g1	1300d1	12740g1	31460i1	3380h1	75140g1	93860g1

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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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