Cremona's table of elliptic curves

Curve 26656a1

26656 = 25 · 72 · 17



Data for elliptic curve 26656a1

Field Data Notes
Atkin-Lehner 2+ 7+ 17+ Signs for the Atkin-Lehner involutions
Class 26656a Isogeny class
Conductor 26656 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 4032 Modular degree for the optimal curve
Δ -20898304 = -1 · 29 · 74 · 17 Discriminant
Eigenvalues 2+  2 -1 7+  4  2 17+  1 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-16,-216] [a1,a2,a3,a4,a6]
Generators [7434:226491:8] Generators of the group modulo torsion
j -392/17 j-invariant
L 7.7559657482593 L(r)(E,1)/r!
Ω 0.9430277300317 Real period
R 8.224536247729 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 26656f1 53312f1 26656e1 Quadratic twists by: -4 8 -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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