Properties

Label 3.23.g_bh_cq
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:  $1 + 6 x + 33 x^{2} + 68 x^{3} + 759 x^{4} + 3174 x^{5} + 12167 x^{6}$
Frobenius angles:  $\pm0.287255632040$, $\pm0.680534806358$, $\pm0.750400212235$
Angle rank:  $3$ (numerical)
Number field:  6.0.29805007536.1
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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $16208$ $157412096$ $1775343652784$ $22125552056909824$ $266590818632598973648$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $30$ $560$ $11994$ $282524$ $6435270$ $147996848$ $3404876610$ $78310191356$ $1801152811086$ $41426533446320$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 112 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

  • $y^2=22 x^7+12 x^6+18 x^5+20 x^4+17 x^3+17 x^2+20 x+14$
  • $y^2=x^7+3 x^6+15 x^4+22 x^3+3 x^2+18 x$
  • $y^2=x^8+x^7+10 x^6+17 x^5+16 x^4+20 x^3+12 x^2+14 x+17$
  • $y^2=x^8+6 x^7+9 x^6+16 x^5+22 x^4+15 x^2+21 x+3$
  • $y^2=x^8+3 x^7+21 x^6+4 x^5+10 x^4+17 x^3+6 x^2+12 x+21$
  • $y^2=22 x^7+20 x^6+2 x^5+18 x^4+15 x+16$
  • $y^2=22 x^8+7 x^7+12 x^6+7 x^5+4 x^4+12 x^3+20 x^2+4 x+10$
  • $y^2=22 x^8+7 x^7+20 x^6+13 x^5+20 x^4+8 x^3+x^2+10 x+16$
  • $y^2=x^8+5 x^7+6 x^6+16 x^5+9 x^4+5 x^3+6 x^2+16 x+8$
  • $y^2=x^8+2 x^7+20 x^6+5 x^4+2 x^3+20 x^2+4$
  • $y^2=x^8+19 x^7+4 x^6+12 x^5+20 x^4+12 x^3+19 x^2+16 x+16$
  • $y^2=x^8+9 x^7+14 x^6+22 x^5+5 x^4+22 x^3+4 x^2+13 x+14$
  • $y^2=22 x^8+18 x^7+16 x^5+3 x^4+19 x^3+11 x^2+8 x+18$
  • $y^2=22 x^8+17 x^7+7 x^6+15 x^5+22 x^4+17 x^3+18 x^2+7 x+9$
  • $y^2=22 x^7+13 x^6+10 x^5+x^4+2 x^3+6 x^2+14 x+19$
  • $y^2=x^7+17 x^6+7 x^5+21 x^4+19 x^3+15 x^2+8 x+2$
  • $y^2=x^7+2 x^6+3 x^5+2 x^4+7 x^3+17 x^2+8 x+22$
  • $y^2=x^7+12 x^6+8 x^5+13 x^4+20 x^3+x+7$
  • $y^2=22 x^7+7 x^6+18 x^5+15 x^4+11 x^3+6 x^2+20 x+11$
  • $y^2=x^8+4 x^7+17 x^6+4 x^5+14 x^4+17 x^3+8 x^2+21 x+6$
  • and 92 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 6.0.29805007536.1.

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.ag_bh_acq$2$(not in LMFDB)