Cremona's table of elliptic curves

1638 = 2 · 3² · 7 · 13

Field	Data	Notes
Atkin-Lehner	2+ 3+ 7- 13-	Signs for the Atkin-Lehner involutions
Conductor	1638	Conductor
Count	4	Number of curves in isogeny class
Curves	1638c1 1638c2 1638c3 1638c4	Curves in isogeny class
deg	576	Modular degree for the optimal curve
Eigenvalues	2+ 3+  0 7-  0 13- -6 -4	Hecke eigenvalues for primes less than 20
L	2.205037763062	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	13104bg 52416p 1638m 40950cw	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 1638c

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

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Quadratic twists for isogeny class 1638c

-4	8	-3	5	-7	13
13104bg	52416p	1638m	40950cw	11466b	21294bm

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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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