Cremona's table of elliptic curves

9920 = 2⁶ · 5 · 31

Field	Data	Notes
Atkin-Lehner	2- 5- 31+	Signs for the Atkin-Lehner involutions
Class	9920be	Isogeny class
Conductor	9920	Conductor
∏ cp	12	Product of Tamagawa factors cp
Δ	116326882476032000 = 220 · 53 · 316	Discriminant
Eigenvalues	2- -2 5-  4  0  4  0 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-130945,-8003457]	[a1,a2,a3,a4,a6]
Generators	[721:16520:1]	Generators of the group modulo torsion
j	947226559343329/443751840500	j-invariant
L	3.9712817933417	L(r)(E,1)/r!
Ω	0.26263856279773	Real period
R	5.0402369845438	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	9920o4 2480i4 89280ej4 49600bt4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 9920be4

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	4	0	-4	6	-6	+	-8	-6	-10	0	0	-12	-14	8	0	-4	-8	6	-18	-10

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Quadratic twists for elliptic curve 9920be4

-4	8	-3	5
9920o4	2480i4	89280ej4	49600bt4

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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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