Cremona's table of elliptic curves

13888 = 2⁶ · 7 · 31

Field	Data	Notes
Atkin-Lehner	2+ 7- 31-	Signs for the Atkin-Lehner involutions
Class	13888l	Isogeny class
Conductor	13888	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	220430336 = 215 · 7 · 312	Discriminant
Eigenvalues	2+  2  2 7- -4  2  0  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-257,1505]	[a1,a2,a3,a4,a6]
Generators	[489:1340:27]	Generators of the group modulo torsion
j	57512456/6727	j-invariant
L	7.6330754194836	L(r)(E,1)/r!
Ω	1.7126625086409	Real period
R	4.4568473829329	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	13888d2 6944d2 124992dg2 97216k2	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 13888l2

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	2	-	-4	2	0	0	-6	0	-	-8	-6	4	0	-12	-8	-10	12	-4	-4	-10	10	-12	6

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Quadratic twists for elliptic curve 13888l2

-4	8	-3	-7
13888d2	6944d2	124992dg2	97216k2

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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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