Cremona's table of elliptic curves

Curve 72800b1

72800 = 25 · 52 · 7 · 13



Data for elliptic curve 72800b1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 13+ Signs for the Atkin-Lehner involutions
Class 72800b Isogeny class
Conductor 72800 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 138240 Modular degree for the optimal curve
Δ 25480000000000 = 212 · 510 · 72 · 13 Discriminant
Eigenvalues 2+  1 5+ 7+  0 13+  6  0 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-18333,917963] [a1,a2,a3,a4,a6]
Generators [109:476:1] Generators of the group modulo torsion
j 17036800/637 j-invariant
L 6.9204080341694 L(r)(E,1)/r!
Ω 0.66533605017835 Real period
R 2.60034310186 Regulator
r 1 Rank of the group of rational points
S 1.0000000000245 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 72800bo1 72800ce1 Quadratic twists by: -4 5


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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