Cremona's table of elliptic curves

17956 = 2² · 67²

Field	Data	Notes
Atkin-Lehner	2- 67-	Signs for the Atkin-Lehner involutions
Class	17956a	Isogeny class
Conductor	17956	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	80784	Modular degree for the optimal curve
Δ	-1551542170962688 = -1 · 28 · 677	Discriminant
Eigenvalues	2- -2 -2 -2  4  6  3  1	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,11971,1830847]	[a1,a2,a3,a4,a6]
Generators	[893:26934:1]	Generators of the group modulo torsion
j	8192/67	j-invariant
L	2.9535100464863	L(r)(E,1)/r!
Ω	0.34783960323652	Real period
R	0.7075842857371	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	71824d1 268a1	Quadratic twists by: -4 -67

Hecke Eigenvalues for elliptic curve 17956a1

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	-2	-2	4	6	3	1	3	-1	-2	-5	-8	-10	-3	6	7	10	-	-8	-15	-16	12	15	8

---

Quadratic twists for elliptic curve 17956a1

-4	-67
71824d1	268a1

---

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