Cremona's table of elliptic curves

1540 = 2² · 5 · 7 · 11

Field	Data	Notes
Atkin-Lehner	2- 5- 7- 11-	Signs for the Atkin-Lehner involutions
Class	1540c	Isogeny class
Conductor	1540	Conductor
∏ cp	216	Product of Tamagawa factors cp
Δ	12782924000000 = 28 · 56 · 74 · 113	Discriminant
Eigenvalues	2- -2 5- 7- 11- -4  0 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-9140,285988]	[a1,a2,a3,a4,a6]
Generators	[-104:350:1]	Generators of the group modulo torsion
j	329890530231376/49933296875	j-invariant
L	2.2119655135358	L(r)(E,1)/r!
Ω	0.68062756179814	Real period
R	0.5416485308774	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	6	Number of elements in the torsion subgroup
Twists	6160i2 24640k2 13860o2 7700d2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1540c2

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
-	-2	-	-	-	-4	0	-4	6	-6	-4	2	-6	-4	6	-6	0	-10	2	12	8	-16	-12	-18	-10

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Quadratic twists for elliptic curve 1540c2

-4	8	-3	5	-7	-11
6160i2	24640k2	13860o2	7700d2	10780h2	16940f2

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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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