Cremona's table of elliptic curves

16240 = 2⁴ · 5 · 7 · 29

Field	Data	Notes
Atkin-Lehner	2- 5- 7+ 29+	Signs for the Atkin-Lehner involutions
Class	16240q	Isogeny class
Conductor	16240	Conductor
∏ cp	48	Product of Tamagawa factors cp
deg	50688	Modular degree for the optimal curve
Δ	-1543241728000000 = -1 · 224 · 56 · 7 · 292	Discriminant
Eigenvalues	2-  2 5- 7+  0  2  0 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,26560,883712]	[a1,a2,a3,a4,a6]
Generators	[229:4350:1]	Generators of the group modulo torsion
j	505861496763839/376768000000	j-invariant
L	7.3059796458561	L(r)(E,1)/r!
Ω	0.30412691505124	Real period
R	2.0018998879205	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	2030b1 64960bc1 81200bp1 113680ba1	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 16240q1

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

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Quadratic twists for elliptic curve 16240q1

-4	8	5	-7
2030b1	64960bc1	81200bp1	113680ba1

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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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