Cremona's table of elliptic curves

Curve 28120b1

28120 = 23 · 5 · 19 · 37



Data for elliptic curve 28120b1

Field Data Notes
Atkin-Lehner 2+ 5- 19- 37+ Signs for the Atkin-Lehner involutions
Class 28120b Isogeny class
Conductor 28120 Conductor
∏ cp 96 Product of Tamagawa factors cp
deg 138240 Modular degree for the optimal curve
Δ 278511615520000 = 28 · 54 · 196 · 37 Discriminant
Eigenvalues 2+  1 5-  1 -3  6  2 19- Hecke eigenvalues for primes up to 20
Equation [0,1,0,-140545,20217475] [a1,a2,a3,a4,a6]
Generators [225:190:1] Generators of the group modulo torsion
j 1199314367419319296/1087935998125 j-invariant
L 7.2474694094644 L(r)(E,1)/r!
Ω 0.54599448635301 Real period
R 0.13826966187795 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 56240d1 Quadratic twists by: -4


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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