Properties

Label 3.23.ag_bt_agy
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:  $1 - 6 x + 45 x^{2} - 180 x^{3} + 1035 x^{4} - 3174 x^{5} + 12167 x^{6}$
Frobenius angles:  $\pm0.214601025544$, $\pm0.401888698351$, $\pm0.651806082757$
Angle rank:  $3$ (numerical)
Number field:  6.0.5241632472.1
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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $9888$ $164219904$ $1809070579296$ $21989533864034304$ $266774139992615503008$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $18$ $584$ $12222$ $280796$ $6439698$ $148020872$ $3404944638$ $78311506940$ $1801146624210$ $41426487551624$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 554 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

  • $y^2=22 x^7+22 x^6+16 x^5+17 x^4+4 x^3+22 x^2+12 x$
  • $y^2=x^7+20 x^6+22 x^5+15 x^4+20 x^3+18 x^2+19 x$
  • $y^2=x^7+15 x^6+22 x^5+22 x^4+10 x^3+16 x^2+6 x$
  • $y^2=x^7+5 x^6+14 x^5+21 x^4+7 x^3+2 x^2+19 x$
  • $y^2=x^7+19 x^6+22 x^5+21 x^4+18 x^3+13 x^2+21 x$
  • $y^2=22 x^7+17 x^6+x^5+16 x^4+8 x^3+6 x^2+22 x$
  • $y^2=x^7+18 x^6+5 x^5+18 x^4+4 x^3+17 x^2+6 x$
  • $y^2=x^7+8 x^6+4 x^5+5 x^4+10 x^3+x^2+17 x$
  • $y^2=x^7+12 x^6+4 x^5+6 x^4+14 x^3+19 x^2+13 x$
  • $y^2=x^7+7 x^6+17 x^5+15 x^4+16 x^3+20 x^2+16 x$
  • $y^2=22 x^7+16 x^6+10 x^5+21 x^4+22 x^3+16 x^2+10 x+21$
  • $y^2=22 x^7+7 x^5+19 x^4+16 x^3+4 x^2+6 x+19$
  • $y^2=22 x^7+20 x^6+3 x^5+19 x^4+20 x^3+4 x^2+2 x+16$
  • $y^2=x^7+4 x^6+4 x^5+17 x^4+x^3+4 x^2+4 x+17$
  • $y^2=22 x^7+13 x^6+12 x^5+6 x^4+11 x^3+17 x^2+11 x+19$
  • $y^2=22 x^7+15 x^6+22 x^5+x^4+x^3+22 x^2+21 x+16$
  • $y^2=x^7+10 x^6+3 x^5+9 x^4+20 x^3+14 x^2+4 x+19$
  • $y^2=22 x^7+15 x^6+x^5+x^4+x^3+x^2+2 x+9$
  • $y^2=x^7+9 x^6+16 x^5+16 x^3+15 x+14$
  • $y^2=22 x^7+15 x^6+21 x^5+10 x^4+22 x^3+15 x^2+21 x+10$
  • and 534 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 6.0.5241632472.1.

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_bt_gy$2$(not in LMFDB)