Cremona's table of elliptic curves

28880 = 2⁴ · 5 · 19²

Field	Data	Notes
Atkin-Lehner	2- 5+ 19-	Signs for the Atkin-Lehner involutions
Class	28880y	Isogeny class
Conductor	28880	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	-188183524000000 = -1 · 28 · 56 · 196	Discriminant
Eigenvalues	2- -2 5+ -2  0 -2 -6 19-	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-13116,-881816]	[a1,a2,a3,a4,a6]
Generators	[3763830:3639241:27000]	Generators of the group modulo torsion
j	-20720464/15625	j-invariant
L	1.9910444375219	L(r)(E,1)/r!
Ω	0.21598536530611	Real period
R	9.2184228996256	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	7220c4 115520cv4 80b3	Quadratic twists by: -4 8 -19

Hecke Eigenvalues for elliptic curve 28880y4

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

---

Quadratic twists for elliptic curve 28880y4

-4	8	-19
7220c4	115520cv4	80b3

---

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