Cremona's table of elliptic curves

61920 = 2⁵ · 3² · 5 · 43

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 43-	Signs for the Atkin-Lehner involutions
Class	61920bk	Isogeny class
Conductor	61920	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	745346396160 = 212 · 39 · 5 · 432	Discriminant
Eigenvalues	2- 3+ 5+ -4 -4 -2  2 -2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-2268,-1728]	[a1,a2,a3,a4,a6]
Generators	[-38:172:1]	Generators of the group modulo torsion
j	16003008/9245	j-invariant
L	3.1727742489774	L(r)(E,1)/r!
Ω	0.75583098711718	Real period
R	1.0494324469273	Regulator
r	1	Rank of the group of rational points
S	0.99999999996285	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	61920be2 123840ec1 61920l2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 61920bk2

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

---

Quadratic twists for elliptic curve 61920bk2

-4	8	-3
61920be2	123840ec1	61920l2

---

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