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
Conductor	16240	Conductor
Count	4	Number of curves in isogeny class
Curves	16240h1 16240h2 16240h3 16240h4	Curves in isogeny class
deg	4608	Modular degree for the optimal curve
Eigenvalues	2+  0 5- 7- -4  6 -2  4	Hecke eigenvalues for primes less than 20
L	2.0379696499883	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	8120i 64960bg 81200f 113680e	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for isogeny class 16240h

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	-2	4	0	-	-8	2	-6	-8	12	-2	-4	6	-4	8	14	-8	12	10	-2

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Quadratic twists for isogeny class 16240h

-4	8	5	-7
8120i	64960bg	81200f	113680e

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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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