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	31920bm	Isogeny class
Conductor	31920	Conductor
∏ cp	128	Product of Tamagawa factors cp
Δ	586878566400 = 214 · 34 · 52 · 72 · 192	Discriminant
Eigenvalues	2- 3- 5+ 7+ -4  2  6 19+	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-2336,22260]	[a1,a2,a3,a4,a6]
Generators	[-38:240:1]	Generators of the group modulo torsion
j	344324701729/143280900	j-invariant
L	5.9239855095114	L(r)(E,1)/r!
Ω	0.83078299656488	Real period
R	0.891325643099	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	3990q2 127680el2 95760ep2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 31920bm2

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

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Quadratic twists for elliptic curve 31920bm2

-4	8	-3
3990q2	127680el2	95760ep2

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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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