Cremona's table of elliptic curves

Curve 128576bt1

128576 = 26 · 72 · 41



Data for elliptic curve 128576bt1

Field Data Notes
Atkin-Lehner 2+ 7- 41- Signs for the Atkin-Lehner involutions
Class 128576bt Isogeny class
Conductor 128576 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 1105920 Modular degree for the optimal curve
Δ 70810888830976 = 221 · 77 · 41 Discriminant
Eigenvalues 2+  3 -1 7- -4 -6 -3  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-126028,17215856] [a1,a2,a3,a4,a6]
Generators [4620:21952:27] Generators of the group modulo torsion
j 7177888089/2296 j-invariant
L 10.352842047938 L(r)(E,1)/r!
Ω 0.60311600278527 Real period
R 4.2913975214417 Regulator
r 1 Rank of the group of rational points
S 0.99999999709839 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128576df1 4018k1 18368k1 Quadratic twists by: -4 8 -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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