Cremona's table of elliptic curves

9982 = 2 · 7 · 23 · 31

Field	Data	Notes
Atkin-Lehner	2+ 7+ 23+ 31+	Signs for the Atkin-Lehner involutions
Class	9982a	Isogeny class
Conductor	9982	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	26354865698 = 2 · 72 · 234 · 312	Discriminant
Eigenvalues	2+  0  0 7+ -2  6 -6  2	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-2402,-44038]	[a1,a2,a3,a4,a6]
Generators	[-29:39:1]	Generators of the group modulo torsion
j	1533007996997625/26354865698	j-invariant
L	2.8932751086809	L(r)(E,1)/r!
Ω	0.68265418719673	Real period
R	2.1191367188136	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	79856g2 89838x2 69874d2	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 9982a2

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

---

Quadratic twists for elliptic curve 9982a2

-4	-3	-7
79856g2	89838x2	69874d2

---

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