Cremona's table of elliptic curves

15624 = 2³ · 3² · 7 · 31

Field	Data	Notes
Atkin-Lehner	2+ 3- 7+ 31-	Signs for the Atkin-Lehner involutions
Class	15624j	Isogeny class
Conductor	15624	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	316365751296 = 210 · 38 · 72 · 312	Discriminant
Eigenvalues	2+ 3-  2 7+  0  2  2  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-2379,-35530]	[a1,a2,a3,a4,a6]
Generators	[830:23870:1]	Generators of the group modulo torsion
j	1994709028/423801	j-invariant
L	5.6393274297468	L(r)(E,1)/r!
Ω	0.69387575099786	Real period
R	4.0636435425484	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	31248r2 124992cb2 5208j2 109368o2	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 15624j2

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

---

Quadratic twists for elliptic curve 15624j2

-4	8	-3	-7
31248r2	124992cb2	5208j2	109368o2

---

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