Cremona's table of elliptic curves

201 = 3 · 67

Field	Data	Notes
Atkin-Lehner	3+ 67+	Signs for the Atkin-Lehner involutions
Conductor	201	Conductor
Count	1	Number of curves in isogeny class
Curves	201a1	Curves in isogeny class
deg	12	Modular degree for the optimal curve
Eigenvalues	-2 3+  0  0 -6  4 -7 -5	Hecke eigenvalues for primes less than 20
L	0.73111995677637	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	3216i 12864r 603d 5025g	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 201a

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	0	-6	4	-7	-5	-1	1	-4	3	0	-6	9	10	3	2	+	-16	-7	8	-4	-15	4

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Quadratic twists for isogeny class 201a

-4	8	-3	5	-7	-11	13	17	-19	-23	-67
3216i	12864r	603d	5025g	9849n	24321h	33969d	58089g	72561o	106329c	13467k

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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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