Cremona's table of elliptic curves

490 = 2 · 5 · 7²

Field	Data	Notes
Atkin-Lehner	2+ 5+ 7-	Signs for the Atkin-Lehner involutions
Class	490b	Isogeny class
Conductor	490	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	84	Modular degree for the optimal curve
Δ	-784000 = -1 · 27 · 53 · 72	Discriminant
Eigenvalues	2+  2 5+ 7-  3  1  6  1	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,17,-27]	[a1,a2,a3,a4,a6]
j	10100279/16000	j-invariant
L	1.4955620274007	L(r)(E,1)/r!
Ω	1.4955620274007	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	3920x1 15680bx1 4410bl1 2450z1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 490b1

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
+	2	+	-	3	1	6	1	9	6	-8	-7	-3	2	-9	9	0	-8	8	0	4	-10	0	-6	10

---

Quadratic twists for elliptic curve 490b1

-4	8	-3	5	-7	-11	13
3920x1	15680bx1	4410bl1	2450z1	490c1	59290dg1	82810cp1

---

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