Cremona's table of elliptic curves

2891 = 7² · 59

Field	Data	Notes
Atkin-Lehner	7+ 59+	Signs for the Atkin-Lehner involutions
Class	2891a	Isogeny class
Conductor	2891	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	1092	Modular degree for the optimal curve
Δ	-340123259 = -1 · 78 · 59	Discriminant
Eigenvalues	1  1  2 7+  4 -4 -3 -5	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-565,5191]	[a1,a2,a3,a4,a6]
Generators	[5:47:1]	Generators of the group modulo torsion
j	-3451273/59	j-invariant
L	4.9492738876125	L(r)(E,1)/r!
Ω	1.711311072854	Real period
R	2.8920948190667	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	46256w1 26019f1 72275a1 2891b1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 2891a1

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
1	1	2	+	4	-4	-3	-5	-4	-10	0	2	-5	-2	12	11	+	12	-14	5	-4	-13	-14	12	10

---

Quadratic twists for elliptic curve 2891a1

-4	-3	5	-7
46256w1	26019f1	72275a1	2891b1

---

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