Cremona's table of elliptic curves

9555 = 3 · 5 · 7² · 13

Field	Data	Notes
Atkin-Lehner	3- 5+ 7- 13-	Signs for the Atkin-Lehner involutions
Class	9555r	Isogeny class
Conductor	9555	Conductor
∏ cp	21	Product of Tamagawa factors cp
deg	27720	Modular degree for the optimal curve
Δ	-2826422517555 = -1 · 37 · 5 · 76 · 133	Discriminant
Eigenvalues	2 3- 5+ 7- -1 13-  1  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,1,-9326,-359089]	[a1,a2,a3,a4,a6]
j	-762549907456/24024195	j-invariant
L	5.0916210042323	L(r)(E,1)/r!
Ω	0.24245814305868	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	28665bw1 47775l1 195d1 124215db1	Quadratic twists by: -3 5 -7 13

Hecke Eigenvalues for elliptic curve 9555r1

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	-	+	-	-1	-	1	2	-3	-2	6	11	5	4	10	11	-8	-13	12	-5	-10	-3	12	15	-17

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Quadratic twists for elliptic curve 9555r1

-3	5	-7	13
28665bw1	47775l1	195d1	124215db1

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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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