Invariants
| Base field: | $\F_{23}$ |
| Dimension: | $3$ |
| L-polynomial: | $1 + 6 x + 65 x^{2} + 244 x^{3} + 1495 x^{4} + 3174 x^{5} + 12167 x^{6}$ |
| Frobenius angles: | $\pm0.425317846671$, $\pm0.584216573822$, $\pm0.703450068734$ |
| Angle rank: | $3$ (numerical) |
| Number field: | 6.0.5795359792.1 |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $17152$ | $176734208$ | $1768495500544$ | $21894150394740736$ | $266633802719745256192$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $30$ | $624$ | $11946$ | $279580$ | $6436310$ | $148020720$ | $3404943138$ | $78311226108$ | $1801150851630$ | $41426503677424$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 235 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:
- $y^2=22 x^7+6 x^6+2 x^5+2 x^4+2 x^3+5 x^2+13 x+3$
- $y^2=x^7+15 x^6+9 x^5+10 x^4+21 x^3+2 x^2+13 x+9$
- $y^2=22 x^7+21 x^6+14 x^5+x^4+2 x^3+7 x^2+19 x+11$
- $y^2=x^7+7 x^5+3 x^4+11 x^3+15 x^2+2 x+3$
- $y^2=x^7+6 x^6+20 x^5+13 x^4+6 x^3+14 x^2+17 x+18$
- $y^2=22 x^7+17 x^6+4 x^5+x^4+3 x^3+18 x^2+12 x+3$
- $y^2=22 x^7+22 x^6+3 x^5+16 x^4+18 x^3+7 x^2+11 x+1$
- $y^2=x^7+9 x^6+2 x^5+18 x^4+22 x^3+14 x^2+17 x+15$
- $y^2=x^8+x^7+9 x^6+17 x^5+3 x^4+15 x^3+6 x^2+12 x+5$
- $y^2=22 x^8+19 x^7+22 x^6+2 x^5+17 x^4+15 x^3+15 x^2+14 x+12$
- $y^2=x^8+2 x^7+11 x^6+7 x^5+5 x^4+22 x^3+4 x^2+14 x+3$
- $y^2=x^8+2 x^7+16 x^6+18 x^5+6 x^4+18 x^3+19 x^2+2 x+10$
- $y^2=x^8+14 x^6+10 x^5+12 x^4+7 x^3+14 x^2+10 x+1$
- $y^2=22 x^8+22 x^7+13 x^6+12 x^5+21 x^3+13 x^2+15 x+22$
- $y^2=x^8+4 x^7+2 x^6+22 x^5+15 x^4+14 x^3+4 x^2+2 x+6$
- $y^2=22 x^8+18 x^6+21 x^5+17 x^4+13 x^3+21 x^2+21 x+18$
- $y^2=x^8+3 x^7+13 x^6+12 x^5+6 x^4+11 x^3+17 x^2+20 x+11$
- $y^2=x^8+2 x^7+17 x^6+19 x^5+18 x^4+18 x^3+8 x^2+13 x+21$
- $y^2=x^8+2 x^7+4 x^6+21 x^5+13 x^4+x^3+5 x^2+15 x+9$
- $y^2=x^8+3 x^7+x^5+21 x^4+2 x^3+15 x^2+15 x+6$
- and 215 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 6.0.5795359792.1. |
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.ag_cn_ajk | $2$ | (not in LMFDB) |