Cremona's table of elliptic curves

19760 = 2⁴ · 5 · 13 · 19

Field	Data	Notes
Atkin-Lehner	2- 5+ 13- 19+	Signs for the Atkin-Lehner involutions
Class	19760q	Isogeny class
Conductor	19760	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	3844505600 = 215 · 52 · 13 · 192	Discriminant
Eigenvalues	2-  0 5+ -2 -4 13- -2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-8843,320058]	[a1,a2,a3,a4,a6]
Generators	[53:16:1]	Generators of the group modulo torsion
j	18670787633889/938600	j-invariant
L	3.4137350235546	L(r)(E,1)/r!
Ω	1.316831660088	Real period
R	0.64809632222211	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	2470d2 79040bv2 98800bf2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 19760q2

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

---

Quadratic twists for elliptic curve 19760q2

-4	8	5
2470d2	79040bv2	98800bf2

---

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