Cremona's table of elliptic curves

13640 = 2³ · 5 · 11 · 31

Field	Data	Notes
Atkin-Lehner	2+ 5- 11- 31+	Signs for the Atkin-Lehner involutions
Class	13640d	Isogeny class
Conductor	13640	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	744198400 = 28 · 52 · 112 · 312	Discriminant
Eigenvalues	2+  0 5-  0 11-  2 -2  8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-247,714]	[a1,a2,a3,a4,a6]
Generators	[1378:51150:1]	Generators of the group modulo torsion
j	6509904336/2907025	j-invariant
L	5.0500309744168	L(r)(E,1)/r!
Ω	1.4379934382772	Real period
R	3.5118595398232	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	27280g2 109120a2 122760bk2 68200u2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 13640d2

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	-	0	-	2	-2	8	-4	2	+	-6	2	-4	-8	10	-12	-14	-4	-16	6	16	-4	-14	2

---

Quadratic twists for elliptic curve 13640d2

-4	8	-3	5
27280g2	109120a2	122760bk2	68200u2

---

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