Cremona's table of elliptic curves

505 = 5 · 101

Field	Data	Notes
Atkin-Lehner	5+ 101+	Signs for the Atkin-Lehner involutions
Conductor	505	Conductor
Count	2	Number of curves in isogeny class
Curves	505a1 505a2	Curves in isogeny class
deg	16	Modular degree for the optimal curve
Eigenvalues	1  0 5+  0 -2  2 -6  0	Hecke eigenvalues for primes less than 20
L	2.2232482832052	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	8080e 32320i 4545c 2525b	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 505a

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
1	0	+	0	-2	2	-6	0	-6	-6	8	2	2	-6	6	6	-6	2	-4	-8	10	4	0	2	-6

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Quadratic twists for isogeny class 505a

-4	8	-3	5	-7	-11	13	101
8080e	32320i	4545c	2525b	24745h	61105b	85345c	51005a

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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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