Cremona's table of elliptic curves

Curve 312d1

312 = 23 · 3 · 13



Data for elliptic curve 312d1

Field Data Notes
Atkin-Lehner 2+ 3+ 13- Signs for the Atkin-Lehner involutions
Class 312d Isogeny class
Conductor 312 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 32 Modular degree for the optimal curve
Δ 1872 = 24 · 32 · 13 Discriminant
Eigenvalues 2+ 3+ -2  4  0 13-  2  8 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-39,108] [a1,a2,a3,a4,a6]
j 420616192/117 j-invariant
L 1.1450002182025 L(r)(E,1)/r!
Ω 4.58000087281 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 624f1 2496i1 936i1 7800u1 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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