Cremona's table of elliptic curves

43681 = 11² · 19²

Field	Data	Notes
Atkin-Lehner	11+ 19+	Signs for the Atkin-Lehner involutions
Class	43681a	Isogeny class
Conductor	43681	Conductor
∏ cp	6	Product of Tamagawa factors cp
deg	12960	Modular degree for the optimal curve
Δ	173457251 = 113 · 194	Discriminant
Eigenvalues	1  0  3  1 11+  4 -6 19+	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-248,-1303]	[a1,a2,a3,a4,a6]
Generators	[-8:15:1]	Generators of the group modulo torsion
j	9747	j-invariant
L	8.6588374385745	L(r)(E,1)/r!
Ω	1.2107955129588	Real period
R	1.1918937241271	Regulator
r	1	Rank of the group of rational points
S	0.99999999999925	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	43681b1 43681e1	Quadratic twists by: -11 -19

Hecke Eigenvalues for elliptic curve 43681a1

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

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Quadratic twists for elliptic curve 43681a1

-11	-19
43681b1	43681e1

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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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