Cremona's table of elliptic curves

975 = 3 · 5² · 13

Field	Data	Notes
Atkin-Lehner	3+ 5+ 13+	Signs for the Atkin-Lehner involutions
Class	975a	Isogeny class
Conductor	975	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	-92983245849609375 = -1 · 3 · 522 · 13	Discriminant
Eigenvalues	1 3+ 5+  0  4 13+ -2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-198250,-37090625]	[a1,a2,a3,a4,a6]
Generators	[27473285804622:-407710071627253:44286716872]	Generators of the group modulo torsion
j	-55150149867714721/5950927734375	j-invariant
L	2.6002925141077	L(r)(E,1)/r!
Ω	0.11244203501888	Real period
R	23.125626583253	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	15600bz8 62400cs7 2925g8 195a8	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 975a8

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
1	+	+	0	4	+	-2	-4	-8	-2	-8	-6	-6	4	8	-6	-12	-2	4	0	6	16	4	10	-18

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Quadratic twists for elliptic curve 975a8

-4	8	-3	5	-7	-11	13
15600bz8	62400cs7	2925g8	195a8	47775cp7	117975p7	12675e8

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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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