Cremona's table of elliptic curves

16240 = 2⁴ · 5 · 7 · 29

Field	Data	Notes
Atkin-Lehner	2- 5+ 7+ 29-	Signs for the Atkin-Lehner involutions
Class	16240l	Isogeny class
Conductor	16240	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	37676800 = 28 · 52 · 7 · 292	Discriminant
Eigenvalues	2-  0 5+ 7+ -6  6  0  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-943,-11142]	[a1,a2,a3,a4,a6]
Generators	[446:9396:1]	Generators of the group modulo torsion
j	362258700624/147175	j-invariant
L	3.8387814957611	L(r)(E,1)/r!
Ω	0.86155343972313	Real period
R	4.4556510586212	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	4060d2 64960bp2 81200bs2 113680bv2	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 16240l2

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

---

Quadratic twists for elliptic curve 16240l2

-4	8	5	-7
4060d2	64960bp2	81200bs2	113680bv2

---

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