Cremona's table of elliptic curves

25536 = 2⁶ · 3 · 7 · 19

Field	Data	Notes
Atkin-Lehner	2+ 3+ 7- 19-	Signs for the Atkin-Lehner involutions
Class	25536t	Isogeny class
Conductor	25536	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	116222077698048 = 219 · 35 · 7 · 194	Discriminant
Eigenvalues	2+ 3+  2 7-  4  2 -2 19-	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-1161697,482320993]	[a1,a2,a3,a4,a6]
Generators	[-1239:4256:1]	Generators of the group modulo torsion
j	661397832743623417/443352042	j-invariant
L	6.0009200903823	L(r)(E,1)/r!
Ω	0.48888569873247	Real period
R	3.0686723430143	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	25536cs4 798d3 76608co4	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 25536t4

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

---

Quadratic twists for elliptic curve 25536t4

-4	8	-3
25536cs4	798d3	76608co4

---

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