Cremona's table of elliptic curves

Curve 39200bk1

39200 = 25 · 52 · 72



Data for elliptic curve 39200bk1

Field Data Notes
Atkin-Lehner 2+ 5- 7- Signs for the Atkin-Lehner involutions
Class 39200bk Isogeny class
Conductor 39200 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 129024 Modular degree for the optimal curve
Δ -175616000 = -1 · 212 · 53 · 73 Discriminant
Eigenvalues 2+ -3 5- 7- -3 -3  7  6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-43960,3547600] [a1,a2,a3,a4,a6]
Generators [120:20:1] Generators of the group modulo torsion
j -53497400832 j-invariant
L 3.3321982314303 L(r)(E,1)/r!
Ω 1.2962930310164 Real period
R 0.32131992455633 Regulator
r 1 Rank of the group of rational points
S 0.99999999999929 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 39200bh1 78400lf1 39200da1 39200bi1 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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