Cremona's table of elliptic curves

320 = 2⁶ · 5

Field	Data	Notes
Atkin-Lehner	2+ 5+	Signs for the Atkin-Lehner involutions
Conductor	320	Conductor
Count	4	Number of curves in isogeny class
Curves	320b1 320b2 320b3 320b4	Curves in isogeny class
deg	16	Modular degree for the optimal curve
Eigenvalues	2+  0 5+ -4 -4  2  2 -4	Hecke eigenvalues for primes less than 20
L	1.5161085153166	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	320a 40a 2880t 1600a	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 320b

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	-4	2	2	-4	4	2	-8	-6	-6	8	4	-6	4	2	-8	0	-6	0	16	-6	-14

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Quadratic twists for isogeny class 320b

-4	8	-3	5	-7	-11	13	17	-19
320a	40a	2880t	1600a	15680bm	38720f	54080bf	92480bs	115520j

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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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