Cremona's table of elliptic curves

9840 = 2⁴ · 3 · 5 · 41

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 41-	Signs for the Atkin-Lehner involutions
Class	9840o	Isogeny class
Conductor	9840	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	161280	Modular degree for the optimal curve
Δ	2988900000000000000 = 214 · 36 · 514 · 41	Discriminant
Eigenvalues	2- 3+ 5+  2 -2  6  0  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-843296,-285947904]	[a1,a2,a3,a4,a6]
Generators	[12608:1411776:1]	Generators of the group modulo torsion
j	16192145593815022369/729711914062500	j-invariant
L	3.8561978150159	L(r)(E,1)/r!
Ω	0.15798426145319	Real period
R	6.102186666484	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	1230i1 39360db1 29520bw1 49200dm1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 9840o1

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	-2	6	0	2	-8	0	0	-2	-	-4	-2	-6	-12	2	4	-4	2	0	12	-2	-16

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Quadratic twists for elliptic curve 9840o1

-4	8	-3	5
1230i1	39360db1	29520bw1	49200dm1

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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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