Cremona's table of elliptic curves

78400 = 2⁶ · 5² · 7²

Field	Data	Notes
Atkin-Lehner	2- 5+ 7-	Signs for the Atkin-Lehner involutions
Class	78400il	Isogeny class
Conductor	78400	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	442368	Modular degree for the optimal curve
Δ	-13492928512000000 = -1 · 220 · 56 · 77	Discriminant
Eigenvalues	2- -2 5+ 7-  0  4  6 -2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-40833,6414463]	[a1,a2,a3,a4,a6]
Generators	[193:2400:1]	Generators of the group modulo torsion
j	-15625/28	j-invariant
L	4.8385777513091	L(r)(E,1)/r!
Ω	0.35522348861486	Real period
R	3.4053053270766	Regulator
r	1	Rank of the group of rational points
S	0.99999999978867	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	78400cc1 19600cp1 3136y1 11200co1	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 78400il1

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	+	-	0	4	6	-2	0	6	-4	2	-6	-8	12	6	6	8	4	0	2	-8	-6	6	-10

---

Quadratic twists for elliptic curve 78400il1

-4	8	5	-7
78400cc1	19600cp1	3136y1	11200co1

---

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