Cremona's table of elliptic curves

800 = 2⁵ · 5²

Field	Data	Notes
Atkin-Lehner	2+ 5+	Signs for the Atkin-Lehner involutions
Class	800b	Isogeny class
Conductor	800	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	48	Modular degree for the optimal curve
Δ	-12800 = -1 · 29 · 52	Discriminant
Eigenvalues	2+  1 5+ -2 -5  0 -5 -5	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-8,8]	[a1,a2,a3,a4,a6]
Generators	[2:2:1]	Generators of the group modulo torsion
j	-5000	j-invariant
L	2.4376901919603	L(r)(E,1)/r!
Ω	3.8271616725193	Real period
R	0.31847233022112	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	800f1 1600d1 7200bl1 800i1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 800b1

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
+	1	+	-2	-5	0	-5	-5	6	4	-10	10	5	4	-8	10	0	-10	3	0	5	-10	-1	-9	-10

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Quadratic twists for elliptic curve 800b1

-4	8	-3	5	-7	-11
800f1	1600d1	7200bl1	800i1	39200m1	96800bo1

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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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