Cremona's table of elliptic curves

2990 = 2 · 5 · 13 · 23

Field	Data	Notes
Atkin-Lehner	2- 5- 13+ 23+	Signs for the Atkin-Lehner involutions
Class	2990f	Isogeny class
Conductor	2990	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	256	Modular degree for the optimal curve
Δ	23920 = 24 · 5 · 13 · 23	Discriminant
Eigenvalues	2-  1 5- -3 -2 13+ -5  0	Hecke eigenvalues for primes up to 20
Equation	[1,0,0,-20,32]	[a1,a2,a3,a4,a6]
Generators	[2:0:1]	Generators of the group modulo torsion
j	887503681/23920	j-invariant
L	5.2827883505327	L(r)(E,1)/r!
Ω	3.7782994796524	Real period
R	0.3495480161765	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	23920r1 95680i1 26910o1 14950k1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2990f1

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	-	-3	-2	+	-5	0	+	3	-7	8	0	-8	-6	6	-11	-8	3	-4	-3	3	9	5	-14

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Quadratic twists for elliptic curve 2990f1

-4	8	-3	5	13	-23
23920r1	95680i1	26910o1	14950k1	38870b1	68770l1

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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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