Cremona's table of elliptic curves

Curve 121680a1

121680 = 24 · 32 · 5 · 132



Data for elliptic curve 121680a1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 13+ Signs for the Atkin-Lehner involutions
Class 121680a Isogeny class
Conductor 121680 Conductor
∏ cp 64 Product of Tamagawa factors cp
deg 258048 Modular degree for the optimal curve
Δ -43371774950400 = -1 · 210 · 33 · 52 · 137 Discriminant
Eigenvalues 2+ 3+ 5+  0  0 13+ -6 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-4563,338338] [a1,a2,a3,a4,a6]
Generators [-39:676:1] Generators of the group modulo torsion
j -78732/325 j-invariant
L 5.038671218427 L(r)(E,1)/r!
Ω 0.55914260733993 Real period
R 0.56321400898543 Regulator
r 1 Rank of the group of rational points
S 1.0000000053258 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 60840be1 121680f1 9360g1 Quadratic twists by: -4 -3 13


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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