Cremona's table of elliptic curves

Curve 145a2

145 = 5 · 29



Data for elliptic curve 145a2

Field Data Notes
Atkin-Lehner 5+ 29+ Signs for the Atkin-Lehner involutions
Class 145a Isogeny class
Conductor 145 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -21025 = -1 · 52 · 292 Discriminant
Eigenvalues -1  0 5+ -2 -6  2 -2 -2 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,2,6] [a1,a2,a3,a4,a6]
Generators [0:2:1] Generators of the group modulo torsion
j 1367631/21025 j-invariant
L 0.8316217074617 L(r)(E,1)/r!
Ω 2.8457895490368 Real period
R 0.29222881493228 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 2320f2 9280i2 1305g2 725a2 Quadratic twists by: -4 8 -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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