Cremona's table of elliptic curves

2480 = 2⁴ · 5 · 31

Field	Data	Notes
Atkin-Lehner	2+ 5+ 31+	Signs for the Atkin-Lehner involutions
Class	2480a	Isogeny class
Conductor	2480	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	768	Modular degree for the optimal curve
Δ	-496000000 = -1 · 210 · 56 · 31	Discriminant
Eigenvalues	2+  0 5+  0 -2  2  0  8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-323,-2478]	[a1,a2,a3,a4,a6]
Generators	[29:112:1]	Generators of the group modulo torsion
j	-3639412836/484375	j-invariant
L	2.9504696086629	L(r)(E,1)/r!
Ω	0.55893437822471	Real period
R	2.6393703121592	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	1240e1 9920x1 22320o1 12400a1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2480a1

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	+	0	-2	2	0	8	2	0	+	-10	-2	-8	12	-10	0	-12	-12	-8	-16	-12	12	-10	-2

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Quadratic twists for elliptic curve 2480a1

-4	8	-3	5	-7	-31
1240e1	9920x1	22320o1	12400a1	121520y1	76880b1

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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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