Cremona's table of elliptic curves

43808 = 2⁵ · 37²

Field	Data	Notes
Atkin-Lehner	2+ 37+	Signs for the Atkin-Lehner involutions
Class	43808c	Isogeny class
Conductor	43808	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	9216	Modular degree for the optimal curve
Δ	-5607424 = -1 · 212 · 372	Discriminant
Eigenvalues	2+  2  3 -2 -4  2 -7  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-49,-159]	[a1,a2,a3,a4,a6]
Generators	[1455:3336:125]	Generators of the group modulo torsion
j	-2368	j-invariant
L	9.3088600643202	L(r)(E,1)/r!
Ω	0.88249561928988	Real period
R	5.2741678603488	Regulator
r	1	Rank of the group of rational points
S	1.0000000000006	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	43808d1 87616bo1 43808n1	Quadratic twists by: -4 8 37

Hecke Eigenvalues for elliptic curve 43808c1

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	3	-2	-4	2	-7	0	-2	3	8	+	-1	10	8	10	4	3	-4	-14	-2	16	-2	1	-19

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Quadratic twists for elliptic curve 43808c1

-4	8	37
43808d1	87616bo1	43808n1

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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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