Cremona's table of elliptic curves

5239 = 13² · 31

Field	Data	Notes
Atkin-Lehner	13+ 31-	Signs for the Atkin-Lehner involutions
Class	5239b	Isogeny class
Conductor	5239	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	12168	Modular degree for the optimal curve
Δ	-132482010666889 = -1 · 1310 · 312	Discriminant
Eigenvalues	-1  0  3 -2  0 13+  5 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-19636,1200008]	[a1,a2,a3,a4,a6]
j	-6073353/961	j-invariant
L	1.1274613834475	L(r)(E,1)/r!
Ω	0.56373069172375	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	83824l1 47151c1 5239a1	Quadratic twists by: -4 -3 13

Hecke Eigenvalues for elliptic curve 5239b1

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	-2	0	+	5	-4	4	3	-	5	-7	-2	6	-9	6	-1	-10	4	3	2	2	6	18

---

Quadratic twists for elliptic curve 5239b1

-4	-3	13
83824l1	47151c1	5239a1

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations