Invariants
Base field: | $\F_{293}$ |
Dimension: | $1$ |
L-polynomial: | $1 - 8 x + 293 x^{2}$ |
Frobenius angles: | $\pm0.424922371683$ |
Angle rank: | $1$ (numerical) |
Number field: | \(\Q(\sqrt{-277}) \) |
Galois group: | $C_2$ |
Jacobians: | $6$ |
This isogeny class is simple and geometrically simple, primitive, ordinary, and not supersingular. It is principally polarizable and contains a Jacobian.
Newton polygon
This isogeny class is ordinary.
$p$-rank: | $1$ |
Slopes: | $[0, 1]$ |
Point counts
Point counts of the abelian variety
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
---|---|---|---|---|---|
$A(\F_{q^r})$ | $286$ | $86372$ | $25160278$ | $7369950016$ | $2159422168046$ |
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
---|---|---|---|---|---|---|---|---|---|---|
$C(\F_{q^r})$ | $286$ | $86372$ | $25160278$ | $7369950016$ | $2159422168046$ | $632711499012164$ | $185384467784364134$ | $54317648813903025408$ | $15915071100916137610174$ | $4663115832628315019117732$ |
Jacobians and polarizations
This isogeny class contains the Jacobians of 6 curves (of which all are hyperelliptic), and hence is principally polarizable:
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{293}$.
Endomorphism algebra over $\F_{293}$The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{-277}) \). |
Base change
This is a primitive isogeny class.
Twists
Below is a list of all twists of this isogeny class.
Twist | Extension degree | Common base change |
---|---|---|
1.293.i | $2$ | (not in LMFDB) |