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	9920s	Isogeny class
Conductor	9920	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	1600	Modular degree for the optimal curve
Δ	-6200000 = -1 · 26 · 55 · 31	Discriminant
Eigenvalues	2- -1 5+  2  2  6 -7 -5	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,39,-89]	[a1,a2,a3,a4,a6]
j	99897344/96875	j-invariant
L	1.3008310008122	L(r)(E,1)/r!
Ω	1.3008310008122	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	9920h1 2480m1 89280fd1 49600bp1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 9920s1

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	2	6	-7	-5	-4	0	+	7	-3	9	2	-9	-5	8	8	3	-1	0	-11	10	18

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Quadratic twists for elliptic curve 9920s1

-4	8	-3	5
9920h1	2480m1	89280fd1	49600bp1

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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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