Cremona's table of elliptic curves

Curve 78400iz1

78400 = 26 · 52 · 72



Data for elliptic curve 78400iz1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400iz Isogeny class
Conductor 78400 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 221184 Modular degree for the optimal curve
Δ -4117715000000 = -1 · 26 · 57 · 77 Discriminant
Eigenvalues 2-  3 5+ 7-  3 -1 -1  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,2450,-85750] [a1,a2,a3,a4,a6]
Generators [903:4949:27] Generators of the group modulo torsion
j 13824/35 j-invariant
L 13.074933547784 L(r)(E,1)/r!
Ω 0.4026323557096 Real period
R 4.0592035635446 Regulator
r 1 Rank of the group of rational points
S 1.0000000002315 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400je1 39200t1 15680dx1 11200ct1 Quadratic twists by: -4 8 5 -7


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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