Cremona's table of elliptic curves

Curve 21294i1

21294 = 2 · 32 · 7 · 132



Data for elliptic curve 21294i1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 13+ Signs for the Atkin-Lehner involutions
Class 21294i Isogeny class
Conductor 21294 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 74880 Modular degree for the optimal curve
Δ 224784388940202 = 2 · 39 · 7 · 138 Discriminant
Eigenvalues 2+ 3+  0 7-  1 13+ -7 -7 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-18537,-646021] [a1,a2,a3,a4,a6]
j 43875/14 j-invariant
L 0.83894666313824 L(r)(E,1)/r!
Ω 0.41947333156913 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 21294bu1 21294bn1 Quadratic twists by: -3 13


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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