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	19920r	Isogeny class
Conductor	19920	Conductor
∏ cp	24	Product of Tamagawa factors cp
Δ	-411408875520 = -1 · 214 · 36 · 5 · 832	Discriminant
Eigenvalues	2- 3- 5-  0  2 -4  0  6	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,960,28980]	[a1,a2,a3,a4,a6]
Generators	[-12:126:1]	Generators of the group modulo torsion
j	23862997439/100441620	j-invariant
L	6.9155018406644	L(r)(E,1)/r!
Ω	0.67569637043197	Real period
R	1.7057715425849	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	2490g2 79680be2 59760x2 99600bl2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 19920r2

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

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Quadratic twists for elliptic curve 19920r2

-4	8	-3	5
2490g2	79680be2	59760x2	99600bl2

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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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