Cremona's table of elliptic curves

18720 = 2⁵ · 3² · 5 · 13

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 13+	Signs for the Atkin-Lehner involutions
Class	18720z	Isogeny class
Conductor	18720	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	2048	Modular degree for the optimal curve
Δ	-561600 = -1 · 26 · 33 · 52 · 13	Discriminant
Eigenvalues	2- 3+ 5- -4  4 13+  2  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,3,36]	[a1,a2,a3,a4,a6]
Generators	[0:6:1]	Generators of the group modulo torsion
j	1728/325	j-invariant
L	4.9823903111246	L(r)(E,1)/r!
Ω	2.2491961998447	Real period
R	1.1075935286278	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	18720d1 37440n1 18720b1 93600g1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18720z1

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

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Quadratic twists for elliptic curve 18720z1

-4	8	-3	5
18720d1	37440n1	18720b1	93600g1

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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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