Cremona's table of elliptic curves

Class 21413b

21413 = 72 · 19 · 23



Data for isogeny class 21413b

Field Data Notes
Atkin-Lehner 7- 19+ 23- Signs for the Atkin-Lehner involutions
Conductor 21413 Conductor
Count 1 Number of curves in isogeny class
Curves 21413b1 Curves in isogeny class
deg 18720 Modular degree for the optimal curve
Eigenvalues  0 -2  1 7- -1  0  7 19+ Hecke eigenvalues for primes less than 20
L 2.9007521783575 L(r)(E,1)/r!
r 1 Rank of the group of rational points
Twists 437a Quadratic twists by: -7


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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