Cremona's table of elliptic curves

18515 = 5 · 7 · 23²

Field	Data	Notes
Atkin-Lehner	5- 7- 23-	Signs for the Atkin-Lehner involutions
Class	18515q	Isogeny class
Conductor	18515	Conductor
∏ cp	21	Product of Tamagawa factors cp
deg	24192	Modular degree for the optimal curve
Δ	-14175546875 = -1 · 57 · 73 · 232	Discriminant
Eigenvalues	-1 -3 5- 7- -5 -2 -3  2	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-732,9714]	[a1,a2,a3,a4,a6]
Generators	[-28:101:1] [7:66:1]	Generators of the group modulo torsion
j	-81892654209/26796875	j-invariant
L	3.2446636122721	L(r)(E,1)/r!
Ω	1.1825889803113	Real period
R	0.1306521484919	Regulator
r	2	Rank of the group of rational points
S	1.0000000000003	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	92575g1 129605k1 18515d1	Quadratic twists by: 5 -7 -23

Hecke Eigenvalues for elliptic curve 18515q1

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	-	-	-5	-2	-3	2	-	-2	-8	4	-8	-6	3	-14	-4	-4	-8	-7	-15	0	9	-16	-7

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Quadratic twists for elliptic curve 18515q1

5	-7	-23
92575g1	129605k1	18515d1

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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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