Cremona's table of elliptic curves

920 = 2³ · 5 · 23

Field	Data	Notes
Atkin-Lehner	2+ 5- 23-	Signs for the Atkin-Lehner involutions
Class	920b	Isogeny class
Conductor	920	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	288	Modular degree for the optimal curve
Δ	-5750000 = -1 · 24 · 56 · 23	Discriminant
Eigenvalues	2+ -3 5- -2  0  1  0  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-187,991]	[a1,a2,a3,a4,a6]
Generators	[7:-5:1]	Generators of the group modulo torsion
j	-45198971136/359375	j-invariant
L	1.6168440737688	L(r)(E,1)/r!
Ω	2.4127978013082	Real period
R	0.055842642957628	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	1840c1 7360f1 8280u1 4600j1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 920b1

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
+	-3	-	-2	0	1	0	0	-	-3	3	-8	3	-2	-11	-14	-8	-4	-4	7	-9	0	4	-2	18

---

Quadratic twists for elliptic curve 920b1

-4	8	-3	5	-7	-11	-23
1840c1	7360f1	8280u1	4600j1	45080h1	111320y1	21160d1

---

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