Cremona's table of elliptic curves

Curve 111720bc2

111720 = 23 · 3 · 5 · 72 · 19



Data for elliptic curve 111720bc2

Field Data Notes
Atkin-Lehner 2- 3+ 5+ 7- 19- Signs for the Atkin-Lehner involutions
Class 111720bc Isogeny class
Conductor 111720 Conductor
∏ cp 128 Product of Tamagawa factors cp
Δ 2446346246400 = 28 · 32 · 52 · 76 · 192 Discriminant
Eigenvalues 2- 3+ 5+ 7-  0 -2 -2 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-4916,110916] [a1,a2,a3,a4,a6]
Generators [-72:294:1] [-44:490:1] Generators of the group modulo torsion
j 436334416/81225 j-invariant
L 9.6031904164464 L(r)(E,1)/r!
Ω 0.77482650795009 Real period
R 1.5492484960419 Regulator
r 2 Rank of the group of rational points
S 0.99999999993398 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 2280j2 Quadratic twists by: -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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