Cremona's table of elliptic curves

Curve 21483b1

21483 = 32 · 7 · 11 · 31



Data for elliptic curve 21483b1

Field Data Notes
Atkin-Lehner 3+ 7+ 11+ 31+ Signs for the Atkin-Lehner involutions
Class 21483b Isogeny class
Conductor 21483 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 1317888 Modular degree for the optimal curve
Δ -1.6975616474456E+22 Discriminant
Eigenvalues  0 3+ -1 7+ 11+  5  2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,1,-29093958,-60726550318] [a1,a2,a3,a4,a6]
Generators [3115072429013457108:-1397842464903397372201:15458718370031] Generators of the group modulo torsion
j -138369649966972688498688/862450666791439033 j-invariant
L 3.6947287063018 L(r)(E,1)/r!
Ω 0.03249055111841 Real period
R 28.429255422881 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 21483e1 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
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