Cremona's table of elliptic curves

127680 = 2⁶ · 3 · 5 · 7 · 19

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 7+ 19+	Signs for the Atkin-Lehner involutions
Class	127680ei	Isogeny class
Conductor	127680	Conductor
∏ cp	20	Product of Tamagawa factors cp
deg	967680	Modular degree for the optimal curve
Δ	-18450638438400000 = -1 · 225 · 33 · 55 · 73 · 19	Discriminant
Eigenvalues	2- 3+ 5- 7+  3 -3  8 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-40545,7265025]	[a1,a2,a3,a4,a6]
Generators	[365:6400:1]	Generators of the group modulo torsion
j	-28119423707929/70383600000	j-invariant
L	6.2979523572548	L(r)(E,1)/r!
Ω	0.34253010146841	Real period
R	0.91932830168713	Regulator
r	1	Rank of the group of rational points
S	1.0000000044556	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	127680dg1 31920bp1	Quadratic twists by: -4 8

Hecke Eigenvalues for elliptic curve 127680ei1

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	-3	8	+	-1	-4	-1	-8	2	-9	0	-9	11	7	-8	15	-9	4	-5	-4	6

---

Quadratic twists for elliptic curve 127680ei1

-4	8
127680dg1	31920bp1

---

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