Cremona's table of elliptic curves

23520 = 2⁵ · 3 · 5 · 7²

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5- 7-	Signs for the Atkin-Lehner involutions
Class	23520i	Isogeny class
Conductor	23520	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	7228354560 = 212 · 3 · 5 · 76	Discriminant
Eigenvalues	2+ 3+ 5- 7-  4 -2  2 -8	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-3985,-95423]	[a1,a2,a3,a4,a6]
Generators	[586:147:8]	Generators of the group modulo torsion
j	14526784/15	j-invariant
L	4.9695411428735	L(r)(E,1)/r!
Ω	0.60091122387128	Real period
R	4.1350044278238	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	23520x4 47040gj1 70560dm4 117600gz4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 23520i4

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	-2	2	-8	4	-6	0	2	6	4	12	-6	-12	-14	-12	0	-2	-8	4	-2	14

---

Quadratic twists for elliptic curve 23520i4

-4	8	-3	5	-7
23520x4	47040gj1	70560dm4	117600gz4	480c3

---

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