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	78400ek	Isogeny class
Conductor	78400	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	-154204897280000 = -1 · 221 · 54 · 76	Discriminant
Eigenvalues	2+  1 5- 7-  3 -4  3  5	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-393633,94928063]	[a1,a2,a3,a4,a6]
Generators	[9903:4508:27]	Generators of the group modulo torsion
j	-349938025/8	j-invariant
L	8.050703937672	L(r)(E,1)/r!
Ω	0.53371181053074	Real period
R	3.7710913355091	Regulator
r	1	Rank of the group of rational points
S	1.0000000000331	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	78400kp2 2450p2 78400bp4 1600j2	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 78400ek2

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
+	1	-	-	3	-4	3	5	6	0	-2	-2	3	4	-12	-6	0	2	13	12	-11	-10	-9	-15	-2

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Quadratic twists for elliptic curve 78400ek2

-4	8	5	-7
78400kp2	2450p2	78400bp4	1600j2

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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