Cremona's table of elliptic curves

Curve 72128r2

72128 = 26 · 72 · 23



Data for elliptic curve 72128r2

Field Data Notes
Atkin-Lehner 2+ 7- 23- Signs for the Atkin-Lehner involutions
Class 72128r Isogeny class
Conductor 72128 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 959714548689010688 = 217 · 712 · 232 Discriminant
Eigenvalues 2+  2  2 7- -2  4  2  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-523777,-137906943] [a1,a2,a3,a4,a6]
Generators [88308159:580043184:103823] Generators of the group modulo torsion
j 1030541881826/62236321 j-invariant
L 11.501368882299 L(r)(E,1)/r!
Ω 0.17813547672502 Real period
R 8.0706613673754 Regulator
r 1 Rank of the group of rational points
S 1.0000000000861 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128bn2 9016n2 10304p2 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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