Cremona's table of elliptic curves

Curve 61920b1

61920 = 25 · 32 · 5 · 43



Data for elliptic curve 61920b1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 43+ Signs for the Atkin-Lehner involutions
Class 61920b Isogeny class
Conductor 61920 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 32768 Modular degree for the optimal curve
Δ 29025000000 = 26 · 33 · 58 · 43 Discriminant
Eigenvalues 2+ 3+ 5+  2 -2  2  0  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1293,-15908] [a1,a2,a3,a4,a6]
Generators [-158:351:8] Generators of the group modulo torsion
j 138348848448/16796875 j-invariant
L 6.5881063385901 L(r)(E,1)/r!
Ω 0.80248945849706 Real period
R 4.104793071603 Regulator
r 1 Rank of the group of rational points
S 1.0000000000066 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 61920bi1 123840w1 61920bl1 Quadratic twists by: -4 8 -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