Invariants
| Base field: | $\F_{23}$ |
| Dimension: | $3$ |
| L-polynomial: | $1 - 4 x + 49 x^{2} - 168 x^{3} + 1127 x^{4} - 2116 x^{5} + 12167 x^{6}$ |
| Frobenius angles: | $\pm0.256298422613$, $\pm0.476221530257$, $\pm0.614016094523$ |
| Angle rank: | $3$ (numerical) |
| Number field: | 6.0.4628232896.1 |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $11056$ | $172827392$ | $1804149689104$ | $21906571541282816$ | $266897014803955780336$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $20$ | $612$ | $12188$ | $279740$ | $6442660$ | $148041636$ | $3404721452$ | $78310508412$ | $1801149237812$ | $41426511544292$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 257 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:
- $y^2=x^8+7 x^7+x^6+15 x^5+12 x^4+19 x^3+22 x^2+18 x+21$
- $y^2=x^8+6 x^7+12 x^6+11 x^5+2 x^4+19 x^3+20 x^2+15 x+12$
- $y^2=x^8+5 x^7+14 x^6+6 x^5+16 x^4+6 x^3+15 x^2+x+2$
- $y^2=x^8+10 x^7+7 x^6+14 x^5+12 x^4+14 x^3+11 x^2+4 x+5$
- $y^2=x^8+x^7+12 x^6+9 x^5+8 x^4+14 x^3+16 x^2+10 x+20$
- $y^2=x^7+20 x^6+9 x^5+3 x^4+13 x^3+19 x^2+12 x+15$
- $y^2=22 x^7+7 x^6+13 x^5+9 x^4+17 x^3+16 x^2+13 x+2$
- $y^2=22 x^7+5 x^6+2 x^5+15 x^4+20 x^3+15 x^2+17 x+17$
- $y^2=22 x^8+18 x^7+3 x^6+14 x^5+10 x^4+16 x^3+11 x^2+3 x+10$
- $y^2=22 x^8+3 x^7+6 x^6+11 x^5+12 x^4+2 x^3+19 x^2+13 x+14$
- $y^2=22 x^8+13 x^7+11 x^6+7 x^5+5 x^4+6 x^2+8 x+18$
- $y^2=22 x^7+20 x^6+12 x^4+2 x^3+21 x^2+7 x+10$
- $y^2=x^8+2 x^7+8 x^6+4 x^5+10 x^4+19 x^3+14 x^2+6 x+18$
- $y^2=22 x^8+7 x^7+6 x^6+6 x^5+8 x^4+17 x^3+14 x^2+13 x+14$
- $y^2=22 x^8+15 x^7+13 x^6+7 x^5+7 x^4+16 x^3+15 x^2+22 x+20$
- $y^2=22 x^8+15 x^7+16 x^6+5 x^5+4 x^4+18 x^3+18 x^2+20 x+20$
- $y^2=22 x^8+5 x^7+8 x^6+18 x^5+x^4+5 x^3+21 x^2+9$
- $y^2=22 x^7+20 x^6+21 x^5+18 x^4+2 x^3+5 x^2+20 x+15$
- $y^2=x^8+7 x^7+13 x^6+21 x^5+8 x^4+7 x^3+13 x^2+21 x+7$
- $y^2=22 x^8+5 x^7+7 x^6+14 x^5+9 x^4+5 x^3+7 x^2+14 x+10$
- and 237 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 6.0.4628232896.1. |
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.e_bx_gm | $2$ | (not in LMFDB) |