Cremona's table of elliptic curves

Curve 21105h1

21105 = 32 · 5 · 7 · 67



Data for elliptic curve 21105h1

Field Data Notes
Atkin-Lehner 3- 5- 7+ 67+ Signs for the Atkin-Lehner involutions
Class 21105h Isogeny class
Conductor 21105 Conductor
∏ cp 112 Product of Tamagawa factors cp
deg 1705984 Modular degree for the optimal curve
Δ 1.5653928103088E+21 Discriminant
Eigenvalues  1 3- 5- 7+  0 -4  0 -4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-65731149,205126156080] [a1,a2,a3,a4,a6]
Generators [-2844:608922:1] Generators of the group modulo torsion
j 43083389116092375080564689/2147315240478515625 j-invariant
L 5.843788190442 L(r)(E,1)/r!
Ω 0.14189247493059 Real period
R 1.4708794190059 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 7035f1 105525bf1 Quadratic twists by: -3 5


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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