Cremona's table of elliptic curves

1881 = 3² · 11 · 19

Field	Data	Notes
Atkin-Lehner	3- 11+ 19-	Signs for the Atkin-Lehner involutions
Conductor	1881	Conductor
Count	2	Number of curves in isogeny class
Curves	1881b1 1881b2	Curves in isogeny class
deg	720	Modular degree for the optimal curve
Eigenvalues	0 3-  3 -4 11+  2  0 19-	Hecke eigenvalues for primes less than 20
L	2.710344088617	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	30096bh 120384bn 209a 47025r	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 1881b

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	-	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 1881b

-4	8	-3	5	-7	-11	-19
30096bh	120384bn	209a	47025r	92169m	20691n	35739o

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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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