Cremona's table of elliptic curves

2640 = 2⁴ · 3 · 5 · 11

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 11+	Signs for the Atkin-Lehner involutions
Class	2640r	Isogeny class
Conductor	2640	Conductor
∏ cp	40	Product of Tamagawa factors cp
deg	3840	Modular degree for the optimal curve
Δ	4379443200 = 216 · 35 · 52 · 11	Discriminant
Eigenvalues	2- 3- 5+  0 11+  2 -2 -8	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-22296,1274004]	[a1,a2,a3,a4,a6]
Generators	[54:480:1]	Generators of the group modulo torsion
j	299270638153369/1069200	j-invariant
L	3.6096736150973	L(r)(E,1)/r!
Ω	1.2094274072954	Real period
R	0.29846137050668	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	330a1 10560bx1 7920bj1 13200bg1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2640r1

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

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Quadratic twists for elliptic curve 2640r1

-4	8	-3	5	-7	-11
330a1	10560bx1	7920bj1	13200bg1	129360ex1	29040cu1

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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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