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	2115a	Isogeny class
Conductor	2115	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	1296	Modular degree for the optimal curve
Δ	-5434968375 = -1 · 39 · 53 · 472	Discriminant
Eigenvalues	-1 3+ 5+  4  0  0  6  8	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-353,4456]	[a1,a2,a3,a4,a6]
j	-246491883/276125	j-invariant
L	1.2303103781941	L(r)(E,1)/r!
Ω	1.2303103781941	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	33840y1 2115b1 10575a1 103635g1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 2115a1

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	+	+	4	0	0	6	8	-8	2	0	-6	-2	6	-	2	-6	2	-2	-6	8	8	-8	8	-18

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Quadratic twists for elliptic curve 2115a1

-4	-3	5	-7	-47
33840y1	2115b1	10575a1	103635g1	99405b1

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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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