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	320a1 320a2 320a3 320a4	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	1.4275819958837	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	320b 80a 2880bg 1600p	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 320a

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 320a

-4	8	-3	5	-7	-11	13	17	-19
320b	80a	2880bg	1600p	15680dk	38720bu	54080cw	92480dv	115520bv

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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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