Cremona's table of elliptic curves

203 = 7 · 29

Field	Data	Notes
Atkin-Lehner	7- 29+	Signs for the Atkin-Lehner involutions
Conductor	203	Conductor
Count	2	Number of curves in isogeny class
Curves	203a1 203a2	Curves in isogeny class
deg	48	Modular degree for the optimal curve
Eigenvalues	-2 -1 -4 7-  2  4 -2  5	Hecke eigenvalues for primes less than 20
L	0.35054171745279	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	3248g 12992r 1827e 5075c	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 203a

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	-1	-4	-	2	4	-2	5	9	+	-8	8	-3	-6	-7	9	0	2	3	7	-1	0	14	15	3

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Quadratic twists for isogeny class 203a

-4	8	-3	5	-7	-11	13	17	-19	-23	29
3248g	12992r	1827e	5075c	1421e	24563f	34307c	58667d	73283k	107387c	5887c

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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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