Cremona's table of elliptic curves

Curve 21879g1

21879 = 32 · 11 · 13 · 17



Data for elliptic curve 21879g1

Field Data Notes
Atkin-Lehner 3- 11+ 13+ 17+ Signs for the Atkin-Lehner involutions
Class 21879g Isogeny class
Conductor 21879 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 72000 Modular degree for the optimal curve
Δ -969085746863091 = -1 · 36 · 115 · 134 · 172 Discriminant
Eigenvalues  0 3-  1  2 11+ 13+ 17+  2 Hecke eigenvalues for primes up to 20
Equation [0,0,1,-90282,10548063] [a1,a2,a3,a4,a6]
j -111634825505112064/1329335729579 j-invariant
L 1.9881830440819 L(r)(E,1)/r!
Ω 0.49704576102049 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 2431a1 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