Cremona's table of elliptic curves

13520 = 2⁴ · 5 · 13²

Field	Data	Notes
Atkin-Lehner	2+ 5+ 13+	Signs for the Atkin-Lehner involutions
Class	13520d	Isogeny class
Conductor	13520	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	1536	Modular degree for the optimal curve
Δ	67600 = 24 · 52 · 132	Discriminant
Eigenvalues	2+  1 5+ -3  5 13+  5 -1	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-56,-181]	[a1,a2,a3,a4,a6]
Generators	[-38:5:8]	Generators of the group modulo torsion
j	7311616/25	j-invariant
L	4.8448716177448	L(r)(E,1)/r!
Ω	1.7430003828022	Real period
R	1.3898079614749	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	6760a1 54080db1 121680bt1 67600i1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 13520d1

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	+	-3	5	+	5	-1	1	-9	-4	3	1	3	-8	10	3	7	-9	7	-10	16	12	-15	7

---

Quadratic twists for elliptic curve 13520d1

-4	8	-3	5	13
6760a1	54080db1	121680bt1	67600i1	13520i1

---

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