Properties

Label 3.23.ag_cf_akm
Base field $\F_{23}$
Dimension $3$
$p$-rank $3$
Ordinary yes
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes
Contains a Jacobian yes

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Invariants

Base field:  $\F_{23}$
Dimension:  $3$
L-polynomial:  $1 - 6 x + 57 x^{2} - 272 x^{3} + 1311 x^{4} - 3174 x^{5} + 12167 x^{6}$
Frobenius angles:  $\pm0.212944296802$, $\pm0.490287887253$, $\pm0.560659327691$
Angle rank:  $3$ (numerical)
Number field:  6.0.5735588976.1
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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $10084$ $171306992$ $1800566438428$ $21846473707630336$ $266980695470441072324$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $18$ $608$ $12162$ $278972$ $6444678$ $148085552$ $3404740182$ $78310082300$ $1801151997546$ $41426507438288$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 121 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

  • $y^2=x^8+22 x^7+20 x^6+16 x^5+7 x^4+2 x^3+5 x^2+6 x+18$
  • $y^2=x^8+x^7+13 x^6+12 x^5+18 x^3+x^2+20 x+21$
  • $y^2=22 x^8+5 x^7+21 x^6+20 x^5+8 x^4+11 x^3+12 x^2+9 x+17$
  • $y^2=22 x^8+2 x^7+13 x^6+19 x^5+9 x^4+19 x^3+3 x^2+x+15$
  • $y^2=x^8+5 x^7+14 x^6+20 x^5+2 x^4+7 x^3+15 x^2+20 x+7$
  • $y^2=22 x^8+19 x^7+18 x^6+6 x^5+12 x^4+4 x^3+6 x^2+12 x+10$
  • $y^2=22 x^7+14 x^6+20 x^5+15 x^4+17 x^3+5 x^2+9 x+12$
  • $y^2=22 x^8+8 x^7+10 x^6+13 x^5+12 x^3+6 x^2+9 x+19$
  • $y^2=22 x^8+16 x^7+20 x^6+13 x^5+15 x^4+11 x^3+8 x^2+14 x+11$
  • $y^2=x^8+8 x^7+20 x^5+20 x^4+3 x^3+22 x^2+16 x+15$
  • $y^2=22 x^8+8 x^7+15 x^6+x^5+11 x^4+14 x^3+18 x^2+5 x+18$
  • $y^2=x^8+11 x^7+5 x^6+5 x^5+11 x^4+22 x^3+x^2+17 x+3$
  • $y^2=22 x^8+13 x^7+16 x^6+13 x^5+15 x^4+15 x^3+9 x^2+19 x+10$
  • $y^2=22 x^8+19 x^7+15 x^6+x^5+7 x^4+5 x^3+11 x+15$
  • $y^2=22 x^8+22 x^7+10 x^6+10 x^5+8 x^4+22 x^3+12 x^2+4 x+14$
  • $y^2=22 x^8+6 x^7+18 x^6+10 x^5+13 x^4+2 x^3+17 x+5$
  • $y^2=x^8+6 x^7+12 x^6+14 x^5+12 x^4+12 x^3+6 x^2+x+10$
  • $y^2=22 x^8+22 x^7+12 x^6+3 x^5+7 x^4+15 x^3+2 x+20$
  • $y^2=22 x^7+15 x^6+16 x^5+x^3+19 x^2+2 x+1$
  • $y^2=22 x^8+20 x^7+5 x^5+12 x^4+20 x^3+3 x^2+8 x$
  • and 101 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 6.0.5735588976.1.

Base change

This is a primitive isogeny class.

Twists

Below is a list of all twists of this isogeny class.

TwistExtension degreeCommon base change
3.23.g_cf_km$2$(not in LMFDB)