Cremona's table of elliptic curves

12640 = 2⁵ · 5 · 79

Field	Data	Notes
Atkin-Lehner	2- 5- 79-	Signs for the Atkin-Lehner involutions
Class	12640f	Isogeny class
Conductor	12640	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	2560	Modular degree for the optimal curve
Δ	-3160000 = -1 · 26 · 54 · 79	Discriminant
Eigenvalues	2- -2 5- -4  0 -6 -6  4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,10,88]	[a1,a2,a3,a4,a6]
Generators	[-2:8:1] [1:10:1]	Generators of the group modulo torsion
j	1560896/49375	j-invariant
L	4.6212947299119	L(r)(E,1)/r!
Ω	1.9018943187288	Real period
R	1.2149189059573	Regulator
r	2	Rank of the group of rational points
S	0.99999999999981	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	12640e1 25280u1 113760o1 63200i1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 12640f1

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	-6	-6	4	0	0	0	-8	-2	-6	4	-12	-10	-8	-4	-8	6	-	0	-10	-14

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Quadratic twists for elliptic curve 12640f1

-4	8	-3	5
12640e1	25280u1	113760o1	63200i1

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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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