Cremona's table of elliptic curves

13680 = 2⁴ · 3² · 5 · 19

Field	Data	Notes
Atkin-Lehner	2+ 3- 5- 19+	Signs for the Atkin-Lehner involutions
Class	13680t	Isogeny class
Conductor	13680	Conductor
∏ cp	96	Product of Tamagawa factors cp
Δ	186988500000000000 = 211 · 39 · 512 · 19	Discriminant
Eigenvalues	2+ 3- 5-  0 -4 -2  2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-243867,41421674]	[a1,a2,a3,a4,a6]
Generators	[118:3780:1]	Generators of the group modulo torsion
j	1074299413481138/125244140625	j-invariant
L	4.8691691849749	L(r)(E,1)/r!
Ω	0.30879579034653	Real period
R	2.6280416471517	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	6840u3 54720dt3 4560a3 68400bf3	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 13680t4

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	-4	-2	2	+	8	-6	8	-10	2	8	-8	6	-8	-10	-4	16	-6	16	4	-6	14

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Quadratic twists for elliptic curve 13680t4

-4	8	-3	5
6840u3	54720dt3	4560a3	68400bf3

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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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