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	16	Product of Tamagawa factors cp
Δ	9283447265625 = 32 · 514 · 132	Discriminant
Eigenvalues	1 3+ 5+  0  4 13+ -2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-203125,-35321000]	[a1,a2,a3,a4,a6]
Generators	[141058840:1946156680:226981]	Generators of the group modulo torsion
j	59319456301170001/594140625	j-invariant
L	2.6002925141077	L(r)(E,1)/r!
Ω	0.22488407003775	Real period
R	11.562813291627	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	15600bz5 62400cs6 2925g5 195a5	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 975a5

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

---

Quadratic twists for elliptic curve 975a5

-4	8	-3	5	-7	-11	13
15600bz5	62400cs6	2925g5	195a5	47775cp6	117975p6	12675e5

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations