Cremona's table of elliptic curves

25760 = 2⁵ · 5 · 7 · 23

Field	Data	Notes
Atkin-Lehner	2- 5- 7+ 23-	Signs for the Atkin-Lehner involutions
Class	25760k	Isogeny class
Conductor	25760	Conductor
∏ cp	240	Product of Tamagawa factors cp
Δ	2.537373811836E+26	Discriminant
Eigenvalues	2-  2 5- 7+  2 -4 -6  4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-2619184800,51588958115000]	[a1,a2,a3,a4,a6]
j	3881076261058705264477077945608/495580822624218994140625	j-invariant
L	3.1989457262155	L(r)(E,1)/r!
Ω	0.053315762103596	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	25760m2 51520bp2 128800h2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 25760k2

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

---

Quadratic twists for elliptic curve 25760k2

-4	8	5
25760m2	51520bp2	128800h2

---

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