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	9840c	Isogeny class
Conductor	9840	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	1394288640 = 211 · 34 · 5 · 412	Discriminant
Eigenvalues	2+ 3+ 5+ -2 -6 -2 -4 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-336,-1440]	[a1,a2,a3,a4,a6]
Generators	[-14:18:1] [-6:18:1]	Generators of the group modulo torsion
j	2054487458/680805	j-invariant
L	4.7170287730991	L(r)(E,1)/r!
Ω	1.1444517945954	Real period
R	2.0608245779227	Regulator
r	2	Rank of the group of rational points
S	0.9999999999998	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	4920i2 39360df2 29520r2 49200bf2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 9840c2

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	-6	-2	-4	-2	0	4	-8	-2	-	4	-6	-6	-12	-6	-12	-12	-14	-16	12	-10	-12

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Quadratic twists for elliptic curve 9840c2

-4	8	-3	5
4920i2	39360df2	29520r2	49200bf2

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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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