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	31920z	Isogeny class
Conductor	31920	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	4905877011517440000 = 215 · 37 · 54 · 78 · 19	Discriminant
Eigenvalues	2- 3+ 5+ 7- -4 -2 -2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-28386856,-58203987344]	[a1,a2,a3,a4,a6]
Generators	[395844:3382225:64]	Generators of the group modulo torsion
j	617611911727813844500009/1197723879765000	j-invariant
L	3.8604599992352	L(r)(E,1)/r!
Ω	0.065406405158547	Real period
R	7.3778324727474	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	3990l4 127680gq4 95760ff4	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 31920z4

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

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Quadratic twists for elliptic curve 31920z4

-4	8	-3
3990l4	127680gq4	95760ff4

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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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