Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $1$ |
| L-polynomial: | $1 + 59 x^{2}$ |
| Frobenius angles: | $\pm0.5$ |
| Angle rank: | $0$ (numerical) |
| Number field: | \(\Q(\sqrt{-59}) \) |
| Galois group: | $C_2$ |
| Jacobians: | $12$ |
| Isomorphism classes: | 12 |
This isogeny class is simple and geometrically simple, primitive, not ordinary, and supersingular. It is principally polarizable and contains a Jacobian.
Newton polygon
This isogeny class is supersingular.
| $p$-rank: | $0$ |
| Slopes: | $[1/2, 1/2]$ |
Point counts
Point counts of the abelian variety
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $60$ | $3600$ | $205380$ | $12110400$ | $714924300$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $60$ | $3600$ | $205380$ | $12110400$ | $714924300$ | $42180944400$ | $2488651484820$ | $146830413369600$ | $8662995818654940$ | $511116754730490000$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 12 curves (of which 0 are hyperelliptic):
- $y^2=x^3+21 x+42$
- $y^2=x^3+58 x+58$
- $y^2=x^3+2$
- $y^2=x^3+x+2$
- $y^2=x^3+15 x+15$
- $y^2=x^3+44 x+44$
- $y^2=x^3+55 x+51$
- $y^2=x^3+20 x+20$
- $y^2=x^3+2 x$
- $y^2=x^3+1$
- $y^2=x^3+x$
- $y^2=x^3+58 x+57$
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{59^{2}}$.
Endomorphism algebra over $\F_{59}$| The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{-59}) \). |
| The base change of $A$ to $\F_{59^{2}}$ is the simple isogeny class 1.3481.eo and its endomorphism algebra is the quaternion algebra over \(\Q\) ramified at $59$ and $\infty$. |
Base change
This is a primitive isogeny class.
Twists
This isogeny class has no twists.