Invariants
| Base field: | $\F_{23}$ |
| Dimension: | $3$ |
| L-polynomial: | $1 + 11 x + 85 x^{2} + 438 x^{3} + 1955 x^{4} + 5819 x^{5} + 12167 x^{6}$ |
| Frobenius angles: | $\pm0.441093908669$, $\pm0.670554037059$, $\pm0.806190714074$ |
| Angle rank: | $3$ (numerical) |
| Number field: | 6.0.3668880128.1 |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $20476$ | $162579440$ | $1777667431024$ | $21961438856883200$ | $266352042876399974836$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $35$ | $579$ | $12008$ | $280439$ | $6429505$ | $148043652$ | $3404953727$ | $78311077647$ | $1801149185000$ | $41426502775259$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 47 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:
- $y^2=x^7+5 x^6+21 x^5+18 x^4+9 x^3+4 x^2+18 x+11$
- $y^2=x^7+20 x^6+20 x^5+2 x^4+20 x^3+12 x^2+2 x+13$
- $y^2=22 x^7+3 x^6+8 x^5+8 x^3+21 x^2+8 x+17$
- $y^2=22 x^7+18 x^6+13 x^5+17 x^4+21 x^3+15 x^2+18 x+13$
- $y^2=22 x^7+7 x^6+7 x^5+11 x^4+14 x^3+9 x^2+12 x+14$
- $y^2=22 x^7+11 x^6+15 x^5+5 x^4+15 x^3+6 x^2+6 x+2$
- $y^2=22 x^7+4 x^6+8 x^5+19 x^4+2 x^3+21 x^2+16 x+2$
- $y^2=22 x^7+3 x^6+10 x^5+3 x^4+17 x^3+x^2+20 x+18$
- $y^2=x^7+22 x^6+x^5+3 x^4+7 x^3+x^2+9 x+1$
- $y^2=x^7+16 x^6+14 x^5+19 x^4+22 x^3+6 x^2+13 x+4$
- $y^2=22 x^7+9 x^6+17 x^5+x^4+13 x^3+14 x^2+5 x+13$
- $y^2=22 x^7+12 x^6+18 x^5+x^4+13 x^3+21 x^2+7 x+1$
- $y^2=22 x^7+7 x^6+22 x^5+21 x^4+16 x^3+6 x^2+2 x+6$
- $y^2=x^7+18 x^6+20 x^4+9 x^3+17 x^2+15 x+9$
- $y^2=22 x^7+22 x^6+14 x^5+20 x^4+17 x^3+6 x^2+13 x+13$
- $y^2=22 x^7+7 x^6+13 x^5+18 x^4+11 x^3+18 x^2+19 x+17$
- $y^2=22 x^7+4 x^6+12 x^5+7 x^4+21 x^3+x^2+16 x+18$
- $y^2=22 x^7+13 x^6+13 x^5+2 x^4+15 x^3+15 x^2+20 x+21$
- $y^2=22 x^7+17 x^6+18 x^5+12 x^4+19 x^2+8$
- $y^2=22 x^7+21 x^6+10 x^5+2 x^4+6 x^3+14 x^2+6 x+8$
- and 27 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 6.0.3668880128.1. |
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.al_dh_aqw | $2$ | (not in LMFDB) |