Cremona's table of elliptic curves

19920 = 2⁴ · 3 · 5 · 83

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 83+	Signs for the Atkin-Lehner involutions
Class	19920i	Isogeny class
Conductor	19920	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	107520	Modular degree for the optimal curve
Δ	475846410240000 = 222 · 37 · 54 · 83	Discriminant
Eigenvalues	2- 3+ 5-  4  4 -4 -6  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-56240,-5006400]	[a1,a2,a3,a4,a6]
Generators	[370:4970:1]	Generators of the group modulo torsion
j	4802942886669361/116173440000	j-invariant
L	5.3727885643375	L(r)(E,1)/r!
Ω	0.31047579219726	Real period
R	4.3262540102675	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	2490k1 79680bt1 59760bg1 99600dc1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 19920i1

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	4	-4	-6	0	-6	-4	4	-6	-2	0	0	6	0	-6	4	12	6	6	+	-2	2

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Quadratic twists for elliptic curve 19920i1

-4	8	-3	5
2490k1	79680bt1	59760bg1	99600dc1

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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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