Cremona's table of elliptic curves

31584 = 2⁵ · 3 · 7 · 47

Field	Data	Notes
Atkin-Lehner	2- 3- 7+ 47+	Signs for the Atkin-Lehner involutions
Class	31584t	Isogeny class
Conductor	31584	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	23751168 = 29 · 3 · 7 · 472	Discriminant
Eigenvalues	2- 3-  0 7+  0  6  2  4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-208,1064]	[a1,a2,a3,a4,a6]
Generators	[74:33:8]	Generators of the group modulo torsion
j	1953125000/46389	j-invariant
L	7.2535641552167	L(r)(E,1)/r!
Ω	2.1290654276934	Real period
R	3.4069240244416	Regulator
r	1	Rank of the group of rational points
S	0.99999999999998	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	31584q2 63168bv2 94752f2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 31584t2

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	+	0	6	2	4	-6	2	-2	10	2	-10	+	-6	-4	-2	-6	-16	-16	-8	-4	6	-14

---

Quadratic twists for elliptic curve 31584t2

-4	8	-3
31584q2	63168bv2	94752f2

---

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