Cremona's table of elliptic curves

Curve 28470i2

28470 = 2 · 3 · 5 · 13 · 73



Data for elliptic curve 28470i2

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 13- 73- Signs for the Atkin-Lehner involutions
Class 28470i Isogeny class
Conductor 28470 Conductor
∏ cp 192 Product of Tamagawa factors cp
Δ -277387359502500 = -1 · 22 · 36 · 54 · 134 · 732 Discriminant
Eigenvalues 2+ 3- 5+ -2 -2 13- -2 -4 Hecke eigenvalues for primes up to 20
Equation [1,0,1,9126,728416] [a1,a2,a3,a4,a6]
Generators [23:-987:1] [-40:567:1] Generators of the group modulo torsion
j 84068541396231911/277387359502500 j-invariant
L 6.6546576685737 L(r)(E,1)/r!
Ω 0.38882492867514 Real period
R 0.35655816076664 Regulator
r 2 Rank of the group of rational points
S 0.99999999999992 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 85410bi2 Quadratic twists by: -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations