Cremona's table of elliptic curves

31920 = 2⁴ · 3 · 5 · 7 · 19

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 7+ 19+	Signs for the Atkin-Lehner involutions
Class	31920bn	Isogeny class
Conductor	31920	Conductor
∏ cp	44	Product of Tamagawa factors cp
deg	1685376	Modular degree for the optimal curve
Δ	-3.9528045320602E+21	Discriminant
Eigenvalues	2- 3- 5+ 7+  5 -1  0 19+	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-3590496,3999729780]	[a1,a2,a3,a4,a6]
Generators	[4986:331776:1]	Generators of the group modulo torsion
j	-1249761744922780803169/965040168960000000	j-invariant
L	6.5070773988916	L(r)(E,1)/r!
Ω	0.12791111395649	Real period
R	1.1561788348774	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	3990r1 127680em1 95760er1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 31920bn1

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
-	-	+	+	5	-1	0	+	-3	0	-3	-8	10	-1	-8	11	-5	-5	4	-5	-1	0	-3	4	14

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Quadratic twists for elliptic curve 31920bn1

-4	8	-3
3990r1	127680em1	95760er1

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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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