Properties

Label 3.23.g_cn_jk
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:  $1 + 6 x + 65 x^{2} + 244 x^{3} + 1495 x^{4} + 3174 x^{5} + 12167 x^{6}$
Frobenius angles:  $\pm0.425317846671$, $\pm0.584216573822$, $\pm0.703450068734$
Angle rank:  $3$ (numerical)
Number field:  6.0.5795359792.1
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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $17152$ $176734208$ $1768495500544$ $21894150394740736$ $266633802719745256192$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $30$ $624$ $11946$ $279580$ $6436310$ $148020720$ $3404943138$ $78311226108$ $1801150851630$ $41426503677424$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 235 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

  • $y^2=22 x^7+6 x^6+2 x^5+2 x^4+2 x^3+5 x^2+13 x+3$
  • $y^2=x^7+15 x^6+9 x^5+10 x^4+21 x^3+2 x^2+13 x+9$
  • $y^2=22 x^7+21 x^6+14 x^5+x^4+2 x^3+7 x^2+19 x+11$
  • $y^2=x^7+7 x^5+3 x^4+11 x^3+15 x^2+2 x+3$
  • $y^2=x^7+6 x^6+20 x^5+13 x^4+6 x^3+14 x^2+17 x+18$
  • $y^2=22 x^7+17 x^6+4 x^5+x^4+3 x^3+18 x^2+12 x+3$
  • $y^2=22 x^7+22 x^6+3 x^5+16 x^4+18 x^3+7 x^2+11 x+1$
  • $y^2=x^7+9 x^6+2 x^5+18 x^4+22 x^3+14 x^2+17 x+15$
  • $y^2=x^8+x^7+9 x^6+17 x^5+3 x^4+15 x^3+6 x^2+12 x+5$
  • $y^2=22 x^8+19 x^7+22 x^6+2 x^5+17 x^4+15 x^3+15 x^2+14 x+12$
  • $y^2=x^8+2 x^7+11 x^6+7 x^5+5 x^4+22 x^3+4 x^2+14 x+3$
  • $y^2=x^8+2 x^7+16 x^6+18 x^5+6 x^4+18 x^3+19 x^2+2 x+10$
  • $y^2=x^8+14 x^6+10 x^5+12 x^4+7 x^3+14 x^2+10 x+1$
  • $y^2=22 x^8+22 x^7+13 x^6+12 x^5+21 x^3+13 x^2+15 x+22$
  • $y^2=x^8+4 x^7+2 x^6+22 x^5+15 x^4+14 x^3+4 x^2+2 x+6$
  • $y^2=22 x^8+18 x^6+21 x^5+17 x^4+13 x^3+21 x^2+21 x+18$
  • $y^2=x^8+3 x^7+13 x^6+12 x^5+6 x^4+11 x^3+17 x^2+20 x+11$
  • $y^2=x^8+2 x^7+17 x^6+19 x^5+18 x^4+18 x^3+8 x^2+13 x+21$
  • $y^2=x^8+2 x^7+4 x^6+21 x^5+13 x^4+x^3+5 x^2+15 x+9$
  • $y^2=x^8+3 x^7+x^5+21 x^4+2 x^3+15 x^2+15 x+6$
  • and 215 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 6.0.5795359792.1.

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_cn_ajk$2$(not in LMFDB)