Cremona's table of elliptic curves

Curve 28305d1

28305 = 32 · 5 · 17 · 37



Data for elliptic curve 28305d1

Field Data Notes
Atkin-Lehner 3+ 5- 17+ 37- Signs for the Atkin-Lehner involutions
Class 28305d Isogeny class
Conductor 28305 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 8448 Modular degree for the optimal curve
Δ -78546375 = -1 · 33 · 53 · 17 · 372 Discriminant
Eigenvalues  1 3+ 5- -4 -4  4 17+  4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,96,203] [a1,a2,a3,a4,a6]
Generators [2:19:1] Generators of the group modulo torsion
j 3602686437/2909125 j-invariant
L 5.2624307462425 L(r)(E,1)/r!
Ω 1.2449671474762 Real period
R 1.4089878481025 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 28305b1 Quadratic twists by: -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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