Cremona's table of elliptic curves

206 = 2 · 103

Field	Data	Notes
Atkin-Lehner	2+ 103-	Signs for the Atkin-Lehner involutions
Conductor	206	Conductor
Count	2	Number of curves in isogeny class
Curves	206a1 206a2	Curves in isogeny class
deg	15	Modular degree for the optimal curve
Eigenvalues	2+  2  4  0 -6 -2  2 -4	Hecke eigenvalues for primes less than 20
L	1.4310577333197	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	1648a 6592a 1854j 5150l	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 206a

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

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Quadratic twists for isogeny class 206a

-4	8	-3	5	-7	-11	13	17	-19	-23	-103
1648a	6592a	1854j	5150l	10094d	24926f	34814u	59534c	74366k	108974b	21218c

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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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