Cremona's table of elliptic curves

37856 = 2⁵ · 7 · 13²

Field	Data	Notes
Atkin-Lehner	2+ 7+ 13+	Signs for the Atkin-Lehner involutions
Class	37856a	Isogeny class
Conductor	37856	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	224890684928 = 29 · 7 · 137	Discriminant
Eigenvalues	2+  0  2 7+ -4 13+  2  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-164099,25586262]	[a1,a2,a3,a4,a6]
Generators	[38579070:-1405115297:27000]	Generators of the group modulo torsion
j	197747699976/91	j-invariant
L	5.673864144372	L(r)(E,1)/r!
Ω	0.81165134646126	Real period
R	13.981037964412	Regulator
r	1	Rank of the group of rational points
S	1.0000000000003	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	37856o4 75712b4 2912e3	Quadratic twists by: -4 8 13

Hecke Eigenvalues for elliptic curve 37856a4

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	2	+	-4	+	2	4	4	-2	0	-2	2	-4	-8	-2	-4	14	12	8	-14	12	4	-14	2

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Quadratic twists for elliptic curve 37856a4

-4	8	13
37856o4	75712b4	2912e3

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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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