Cremona's table of elliptic curves

13640 = 2³ · 5 · 11 · 31

Field	Data	Notes
Atkin-Lehner	2- 5- 11- 31+	Signs for the Atkin-Lehner involutions
Class	13640i	Isogeny class
Conductor	13640	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	4608	Modular degree for the optimal curve
Δ	85250000 = 24 · 56 · 11 · 31	Discriminant
Eigenvalues	2- -2 5- -2 11- -2 -6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-155,-650]	[a1,a2,a3,a4,a6]
Generators	[-6:10:1] [-5:5:1]	Generators of the group modulo torsion
j	25905842176/5328125	j-invariant
L	5.0223167037544	L(r)(E,1)/r!
Ω	1.3718918882071	Real period
R	1.2202897198454	Regulator
r	2	Rank of the group of rational points
S	0.99999999999984	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	27280h1 109120b1 122760i1 68200g1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 13640i1

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	-	-2	-	-2	-6	-4	-6	-10	+	-8	-10	-4	-8	0	4	6	-8	0	14	16	-4	-10	10

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Quadratic twists for elliptic curve 13640i1

-4	8	-3	5
27280h1	109120b1	122760i1	68200g1

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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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