Cremona's table of elliptic curves

12870 = 2 · 3² · 5 · 11 · 13

Field	Data	Notes
Atkin-Lehner	2- 3- 5- 11+ 13-	Signs for the Atkin-Lehner involutions
Class	12870ca	Isogeny class
Conductor	12870	Conductor
∏ cp	1920	Product of Tamagawa factors cp
deg	122880	Modular degree for the optimal curve
Δ	-381016813731840000 = -1 · 220 · 37 · 54 · 112 · 133	Discriminant
Eigenvalues	2- 3- 5-  0 11+ 13-  2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,72733,28704291]	[a1,a2,a3,a4,a6]
Generators	[-189:2954:1]	Generators of the group modulo torsion
j	58370885971339031/522656808960000	j-invariant
L	7.5784097431453	L(r)(E,1)/r!
Ω	0.220460601363	Real period
R	0.2864612277013	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	102960ep1 4290d1 64350u1	Quadratic twists by: -4 -3 5

Hecke Eigenvalues for elliptic curve 12870ca1

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	-4	-2	-4	-2	-6	-4	-8	10	-4	6	0	0	-10	0	-4	-6	-2

---

Quadratic twists for elliptic curve 12870ca1

-4	-3	5
102960ep1	4290d1	64350u1

---

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