Cremona's table of elliptic curves

16905 = 3 · 5 · 7² · 23

Field	Data	Notes
Atkin-Lehner	3- 5- 7- 23+	Signs for the Atkin-Lehner involutions
Class	16905z	Isogeny class
Conductor	16905	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	23040	Modular degree for the optimal curve
Δ	877085648145 = 33 · 5 · 710 · 23	Discriminant
Eigenvalues	-1 3- 5- 7-  4  6  2  0	Hecke eigenvalues for primes up to 20
Equation	[1,0,0,-3970,84755]	[a1,a2,a3,a4,a6]
j	58818484369/7455105	j-invariant
L	2.5685467475892	L(r)(E,1)/r!
Ω	0.85618224919639	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	50715bb1 84525r1 2415a1	Quadratic twists by: -3 5 -7

Hecke Eigenvalues for elliptic curve 16905z1

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	-	-	-	4	6	2	0	+	6	0	2	-6	4	0	6	12	-10	4	4	2	0	0	10	2

---

Quadratic twists for elliptic curve 16905z1

-3	5	-7
50715bb1	84525r1	2415a1

---

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