Cremona's table of elliptic curves

25840 = 2⁴ · 5 · 17 · 19

Field	Data	Notes
Atkin-Lehner	2- 5- 17- 19-	Signs for the Atkin-Lehner involutions
Class	25840bd	Isogeny class
Conductor	25840	Conductor
∏ cp	128	Product of Tamagawa factors cp
Δ	-192966918400000000 = -1 · 214 · 58 · 174 · 192	Discriminant
Eigenvalues	2-  0 5- -4  0 -2 17- 19-	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,63013,-20238966]	[a1,a2,a3,a4,a6]
Generators	[215:1802:1]	Generators of the group modulo torsion
j	6755449219466319/47111064062500	j-invariant
L	4.1476640046613	L(r)(E,1)/r!
Ω	0.15867010539658	Real period
R	3.2675216247373	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	3230g4 103360bw3 129200bp3	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 25840bd3

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

---

Quadratic twists for elliptic curve 25840bd3

-4	8	5
3230g4	103360bw3	129200bp3

---

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