Cremona's table of elliptic curves

7686 = 2 · 3² · 7 · 61

Field	Data	Notes
Atkin-Lehner	2- 3- 7- 61-	Signs for the Atkin-Lehner involutions
Class	7686x	Isogeny class
Conductor	7686	Conductor
∏ cp	504	Product of Tamagawa factors cp
Δ	-32915220370292736 = -1 · 221 · 37 · 76 · 61	Discriminant
Eigenvalues	2- 3- -3 7-  0 -4 -3  2	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,78781,1918019]	[a1,a2,a3,a4,a6]
Generators	[-21:514:1]	Generators of the group modulo torsion
j	74176411544797463/45151193923584	j-invariant
L	5.256260984402	L(r)(E,1)/r!
Ω	0.22708739257796	Real period
R	0.41332899298085	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	3	Number of elements in the torsion subgroup
Twists	61488bh2 2562g2 53802cb2	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 7686x2

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	-	0	-4	-3	2	3	6	8	5	-6	-1	-6	-12	0	-	8	-9	5	-16	-9	-15	-19

---

Quadratic twists for elliptic curve 7686x2

-4	-3	-7
61488bh2	2562g2	53802cb2

---

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