Cremona's table of elliptic curves

43681 = 11² · 19²

Field	Data	Notes
Atkin-Lehner	11- 19-	Signs for the Atkin-Lehner involutions
Conductor	43681	Conductor
Count	2	Number of curves in isogeny class
Curves	43681i1 43681i2	Curves in isogeny class
deg	1036800	Modular degree for the optimal curve
Eigenvalues	0 -1 -3  4 11-  2  0 19-	Hecke eigenvalues for primes less than 20
L	3.3565732238664	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	3971a 2299c	Quadratic twists by: -11 -19

Hecke Eigenvalues for isogeny class 43681i

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	-1	-3	4	-	2	0	-	3	-6	7	7	0	10	0	-6	-3	10	-11	-15	-8	-16	0	-9	1

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Quadratic twists for isogeny class 43681i

-11	-19
3971a	2299c

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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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