Cremona's table of elliptic curves

1885 = 5 · 13 · 29

Field	Data	Notes
Atkin-Lehner	5+ 13- 29-	Signs for the Atkin-Lehner involutions
Class	1885d	Isogeny class
Conductor	1885	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	76578125 = 56 · 132 · 29	Discriminant
Eigenvalues	1 -2 5+  0  6 13-  4 -6	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-189,887]	[a1,a2,a3,a4,a6]
Generators	[13:19:1]	Generators of the group modulo torsion
j	740971944649/76578125	j-invariant
L	2.5281369920408	L(r)(E,1)/r!
Ω	1.8774404911927	Real period
R	1.3465870177514	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	30160w2 120640bc2 16965r2 9425c2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1885d2

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

---

Quadratic twists for elliptic curve 1885d2

-4	8	-3	5	-7	13	29
30160w2	120640bc2	16965r2	9425c2	92365g2	24505f2	54665e2

---

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