Invariants
| Base field: | $\F_{7}$ |
| Dimension: | $3$ |
| L-polynomial: | $1 + 4 x + 15 x^{2} + 38 x^{3} + 105 x^{4} + 196 x^{5} + 343 x^{6}$ |
| Frobenius angles: | $\pm0.360544620689$, $\pm0.610915698974$, $\pm0.816693384916$ |
| Angle rank: | $3$ (numerical) |
| Number field: | 6.0.166682304.1 |
| Galois group: | $S_4\times C_2$ |
| Cyclic group of points: | no |
| Non-cyclic primes: | $3$ |
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: | $3$ |
| Slopes: | $[0, 0, 0, 1, 1, 1]$ |
Point counts
Point counts of the abelian variety
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $702$ | $158652$ | $40075074$ | $14238699696$ | $4689132370182$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $12$ | $64$ | $342$ | $2468$ | $16602$ | $117364$ | $821364$ | $5774300$ | $40368564$ | $282403564$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 10 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:
- $y^2=x^8+3 x^4+3 x^3+4 x^2+3 x+1$
- $y^2=x^8+x^5+x^4+2 x^3+6 x^2+6 x+5$
- $y^2=x^8+x^5+x^4+5 x^3+4 x^2+4 x+6$
- $y^2=x^8+2 x^5+x^3+4 x^2+6 x+2$
- $y^2=x^8+2 x^5+x^3+5 x^2+1$
- $y^2=x^8+2 x^5+x^3+5 x^2+6 x+5$
- $y^2=x^8+x^6+2 x^4+x^3+2 x^2+3 x+6$
- $y^2=x^8+x^6+x^5+2 x^3+4 x+6$
- $y^2=x^8+x^6+x^5+5 x^4+6 x^3+3 x^2+6$
- $y^2=x^8+x^6+x^5+5 x^4+6 x^3+6 x^2+3 x+2$
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{7}$.
Endomorphism algebra over $\F_{7}$| The endomorphism algebra of this simple isogeny class is 6.0.166682304.1. |
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 |
|---|---|---|
| 3.7.ae_p_abm | $2$ | (not in LMFDB) |