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	9840d	Isogeny class
Conductor	9840	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	2048	Modular degree for the optimal curve
Δ	29520 = 24 · 32 · 5 · 41	Discriminant
Eigenvalues	2+ 3+ 5-  0 -4  2 -2 -4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-615,-5670]	[a1,a2,a3,a4,a6]
Generators	[17032:50105:512]	Generators of the group modulo torsion
j	1610404796416/1845	j-invariant
L	3.8411749267878	L(r)(E,1)/r!
Ω	0.95856589710869	Real period
R	8.0144201632332	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	4920c1 39360co1 29520f1 49200ba1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 9840d1

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	-4	2	-2	-4	4	6	0	-2	-	0	-8	10	12	-2	-12	0	10	16	-8	-6	-2

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Quadratic twists for elliptic curve 9840d1

-4	8	-3	5
4920c1	39360co1	29520f1	49200ba1

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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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