Cremona's table of elliptic curves

Curve 28908a1

28908 = 22 · 32 · 11 · 73



Data for elliptic curve 28908a1

Field Data Notes
Atkin-Lehner 2- 3+ 11+ 73+ Signs for the Atkin-Lehner involutions
Class 28908a Isogeny class
Conductor 28908 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 426240 Modular degree for the optimal curve
Δ -9.5407160255407E+18 Discriminant
Eigenvalues 2- 3+ -1  0 11+ -6 -5  7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,32832,-148592556] [a1,a2,a3,a4,a6]
j 776755740672/1893431995873 j-invariant
L 0.42716587893379 L(r)(E,1)/r!
Ω 0.10679146973333 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 115632p1 28908c1 Quadratic twists by: -4 -3


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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