Cremona's table of elliptic curves

15870 = 2 · 3 · 5 · 23²

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 23-	Signs for the Atkin-Lehner involutions
Class	15870z	Isogeny class
Conductor	15870	Conductor
∏ cp	448	Product of Tamagawa factors cp
deg	946176	Modular degree for the optimal curve
Δ	-1.8508011397183E+21	Discriminant
Eigenvalues	2- 3+ 5-  0  0  6 -2  0	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,-2375750,2503168067]	[a1,a2,a3,a4,a6]
j	-10017490085065009/12502381363200	j-invariant
L	3.7550532979937	L(r)(E,1)/r!
Ω	0.13410904635692	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	126960cu1 47610l1 79350bb1 690g1	Quadratic twists by: -4 -3 5 -23

Hecke Eigenvalues for elliptic curve 15870z1

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	0	6	-2	0	-	6	8	-10	-6	8	8	6	-4	6	-8	-8	10	8	8	6	-18

---

Quadratic twists for elliptic curve 15870z1

-4	-3	5	-23
126960cu1	47610l1	79350bb1	690g1

---

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