Invariants
| Base field: | $\F_{3}$ |
| Dimension: | $4$ |
| L-polynomial: | $( 1 - 3 x + 3 x^{2} )( 1 - 4 x + 10 x^{2} - 21 x^{3} + 30 x^{4} - 36 x^{5} + 27 x^{6} )$ |
| $1 - 7 x + 25 x^{2} - 63 x^{3} + 123 x^{4} - 189 x^{5} + 225 x^{6} - 189 x^{7} + 81 x^{8}$ | |
| Frobenius angles: | $\pm0.0145064862012$, $\pm0.166666666667$, $\pm0.383559653096$, $\pm0.564732805964$ |
| Angle rank: | $2$ (numerical) |
| Isomorphism classes: | 3 |
This isogeny class is not simple, primitive, not ordinary, and not supersingular. It is principally polarizable.
Newton polygon
| $p$-rank: | $2$ |
| Slopes: | $[0, 0, 1/2, 1/2, 1/2, 1/2, 1, 1]$ |
Point counts
Point counts of the abelian variety
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $7$ | $6321$ | $407092$ | $32622681$ | $3349212307$ |
Point counts of the (virtual) curve
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $-3$ | $11$ | $21$ | $59$ | $237$ | $719$ | $2139$ | $6659$ | $19740$ | $57731$ |
Jacobians and polarizations
This isogeny class is principally polarizable, but does not contain a Jacobian.
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{3^{6}}$.
Endomorphism algebra over $\F_{3}$| The isogeny class factors as 1.3.ad $\times$ 3.3.ae_k_av and its endomorphism algebra is a direct product of the endomorphism algebras for each isotypic factor. The endomorphism algebra for each factor is: |
The base change of $A$ to $\F_{3^{6}}$ is 1.729.cc $\times$ 3.729.acn_djq_adrer. The endomorphism algebra for each factor is:
|
- Endomorphism algebra over $\F_{3^{2}}$
The base change of $A$ to $\F_{3^{2}}$ is 1.9.ad $\times$ 3.9.e_ai_acx. The endomorphism algebra for each factor is: - Endomorphism algebra over $\F_{3^{3}}$
The base change of $A$ to $\F_{3^{3}}$ is 1.27.a $\times$ 3.27.ah_ai_hh. The endomorphism algebra for each factor is:
Base change
This is a primitive isogeny class.