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	13680n	Isogeny class
Conductor	13680	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	1684281600 = 28 · 36 · 52 · 192	Discriminant
Eigenvalues	2+ 3- 5+  0 -4 -6  6 19-	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-1143,14742]	[a1,a2,a3,a4,a6]
Generators	[6:90:1]	Generators of the group modulo torsion
j	884901456/9025	j-invariant
L	4.0374566172233	L(r)(E,1)/r!
Ω	1.5018588971174	Real period
R	1.3441531108457	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	6840d2 54720eg2 1520b2 68400bx2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 13680n2

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	-6	6	-	8	2	0	2	-2	-4	-8	6	-4	-2	-8	8	2	8	4	14	14

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Quadratic twists for elliptic curve 13680n2

-4	8	-3	5
6840d2	54720eg2	1520b2	68400bx2

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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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