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	4	Product of Tamagawa factors cp
Δ	-182790400 = -1 · 28 · 52 · 134	Discriminant
Eigenvalues	2-  2 5+  2  4 13+  2  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-276,1976]	[a1,a2,a3,a4,a6]
j	-9115564624/714025	j-invariant
L	1.7644191645459	L(r)(E,1)/r!
Ω	1.7644191645459	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	1040d2 4160h2 2340g2 1300d2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 260a2

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 260a2

-4	8	-3	5	-7	-11	13	17	-19
1040d2	4160h2	2340g2	1300d2	12740g2	31460i2	3380h2	75140g2	93860g2

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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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