Cremona's table of elliptic curves

Curve 78400iu1

78400 = 26 · 52 · 72



Data for elliptic curve 78400iu1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400iu Isogeny class
Conductor 78400 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 221184 Modular degree for the optimal curve
Δ -52706752000000 = -1 · 212 · 56 · 77 Discriminant
Eigenvalues 2- -2 5+ 7- -4  4 -2  6 Hecke eigenvalues for primes up to 20
Equation [0,1,0,8167,-200537] [a1,a2,a3,a4,a6]
Generators [37:392:1] Generators of the group modulo torsion
j 8000/7 j-invariant
L 4.3422304839992 L(r)(E,1)/r!
Ω 0.34729514261996 Real period
R 1.5628747539256 Regulator
r 1 Rank of the group of rational points
S 0.99999999988612 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 78400ih1 39200cc1 3136z1 11200cb1 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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