Cremona's table of elliptic curves

2115 = 3² · 5 · 47

Field	Data	Notes
Atkin-Lehner	3- 5- 47+	Signs for the Atkin-Lehner involutions
Class	2115f	Isogeny class
Conductor	2115	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	640	Modular degree for the optimal curve
Δ	-41629545 = -1 · 311 · 5 · 47	Discriminant
Eigenvalues	1 3- 5-  1  2 -7 -1 -1	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-324,-2187]	[a1,a2,a3,a4,a6]
Generators	[84:705:1]	Generators of the group modulo torsion
j	-5168743489/57105	j-invariant
L	3.875100030521	L(r)(E,1)/r!
Ω	0.56219191592537	Real period
R	3.4464209825417	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	33840cs1 705e1 10575l1 103635r1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 2115f1

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	-	-	1	2	-7	-1	-1	1	-7	-8	0	11	-10	+	7	-9	-15	4	5	2	-10	-12	6	12

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Quadratic twists for elliptic curve 2115f1

-4	-3	5	-7	-47
33840cs1	705e1	10575l1	103635r1	99405e1

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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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