Invariants
| Base field: | $\F_{23}$ |
| Dimension: | $3$ |
| L-polynomial: | $1 - 10 x + 73 x^{2} - 372 x^{3} + 1679 x^{4} - 5290 x^{5} + 12167 x^{6}$ |
| Frobenius angles: | $\pm0.173257447101$, $\pm0.352297312272$, $\pm0.583875470031$ |
| Angle rank: | $3$ (numerical) |
| Number field: | 6.0.60712448.1 |
| Galois group: | $S_4\times C_2$ |
| Cyclic group of points: | no |
| Non-cyclic primes: | $2$ |
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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $8248$ | $161594816$ | $1812148672456$ | $21944379513503744$ | $266876794539895266808$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $14$ | $576$ | $12242$ | $280220$ | $6442174$ | $148036992$ | $3404792258$ | $78311938812$ | $1801156340270$ | $41426490438656$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 174 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:
- $y^2=x^8+10 x^7+13 x^6+8 x^5+19 x^4+13 x^3+22 x^2+7 x+22$
- $y^2=22 x^8+10 x^7+14 x^6+15 x^5+14 x^4+16 x^3+17 x^2+14 x+6$
- $y^2=22 x^8+10 x^7+5 x^6+2 x^5+7 x^4+17 x^3+9 x^2+x+16$
- $y^2=22 x^8+19 x^7+21 x^6+5 x^5+18 x^4+20 x^3+8 x^2+10 x+7$
- $y^2=22 x^8+6 x^7+4 x^6+22 x^5+20 x^4+x^3+2 x^2+5 x+1$
- $y^2=x^8+x^7+6 x^6+x^5+6 x^4+x^3+6 x^2+x+5$
- $y^2=22 x^8+16 x^7+15 x^6+9 x^5+10 x^4+16 x^3+15 x^2+9 x+11$
- $y^2=22 x^8+21 x^7+17 x^6+5 x^5+3 x^4+21 x^3+17 x^2+5 x+4$
- $y^2=x^8+9 x^6+13 x^5+x^4+9 x^2+13 x$
- $y^2=22 x^8+x^7+12 x^6+9 x^5+6 x^4+x^3+12 x^2+9 x+7$
- $y^2=22 x^8+22 x^7+7 x^6+3 x^5+10 x^4+22 x^3+7 x^2+3 x+11$
- $y^2=22 x^8+17 x^7+x^6+15 x^5+9 x^4+17 x^3+x^2+15 x+10$
- $y^2=x^8+8 x^7+3 x^6+11 x^5+14 x^4+8 x^3+3 x^2+11 x+13$
- $y^2=22 x^8+19 x^7+6 x^6+10 x^5+5 x^4+19 x^3+6 x^2+10 x+6$
- $y^2=22 x^8+2 x^7+5 x^6+10 x^5+17 x^4+2 x^3+5 x^2+10 x+18$
- $y^2=22 x^7+2 x^5+20 x^4+22 x^3+2 x+20$
- $y^2=22 x^8+16 x^7+6 x^6+21 x^5+13 x^4+16 x^3+6 x^2+21 x+14$
- $y^2=x^8+12 x^7+19 x^6+5 x^5+16 x^4+12 x^3+19 x^2+5 x+15$
- $y^2=22 x^8+8 x^7+9 x^6+13 x^5+4 x^4+8 x^3+9 x^2+13 x+5$
- $y^2=22 x^8+4 x^7+4 x^6+14 x^4+4 x^3+4 x^2+15$
- and 154 more
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{23}$.
Endomorphism algebra over $\F_{23}$| The endomorphism algebra of this simple isogeny class is 6.0.60712448.1. |
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 |
|---|---|---|
| 3.23.k_cv_oi | $2$ | (not in LMFDB) |