Properties

Label 3.23.ac_cn_adk
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:  $1 - 2 x + 65 x^{2} - 88 x^{3} + 1495 x^{4} - 1058 x^{5} + 12167 x^{6}$
Frobenius angles:  $\pm0.402118402444$, $\pm0.473218311509$, $\pm0.557028785245$
Angle rank:  $3$ (numerical)
Number field:  6.0.930985712.1
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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $12580$ $187140080$ $1818867311260$ $21746889963718400$ $266503426090808744900$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $22$ $656$ $12286$ $277692$ $6433162$ $148062176$ $3404876882$ $78310905596$ $1801152518734$ $41426504128896$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 41 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

  • $y^2=x^8+10 x^7+6 x^6+19 x^5+3 x^4+18 x^3+9 x^2+17 x$
  • $y^2=x^8+4 x^7+6 x^6+10 x^5+7 x^4+12 x^3+15 x^2+15 x+8$
  • $y^2=22 x^8+9 x^7+9 x^6+14 x^5+9 x^4+8 x^3+x^2+18 x+8$
  • $y^2=x^8+16 x^7+8 x^6+9 x^5+7 x^4+2 x^3+13 x^2+3 x+4$
  • $y^2=x^8+20 x^7+11 x^6+15 x^5+2 x^4+4 x^3+4 x^2+11 x+16$
  • $y^2=x^8+20 x^7+10 x^6+14 x^5+2 x^4+2 x^3+16 x^2+2 x+14$
  • $y^2=x^8+21 x^7+17 x^6+15 x^5+13 x^4+13 x^3+15 x^2+21 x+14$
  • $y^2=22 x^8+20 x^7+14 x^6+16 x^5+7 x^4+5 x^3+17 x^2+13 x+21$
  • $y^2=22 x^7+7 x^6+7 x^5+5 x^4+8 x^3+17 x^2+12 x+20$
  • $y^2=x^8+18 x^7+21 x^6+18 x^4+11 x^3+16 x^2+5 x$
  • $y^2=x^7+5 x^6+13 x^5+14 x^4+12 x^3+18 x^2+7 x+13$
  • $y^2=22 x^7+21 x^6+20 x^5+3 x^4+6 x^3+22 x^2+13 x+1$
  • $y^2=22 x^8+21 x^7+12 x^6+6 x^5+20 x^4+2 x^3+6 x^2+7 x+22$
  • $y^2=x^7+18 x^6+21 x^5+14 x^4+22 x^3+15 x^2+12 x+16$
  • $y^2=22 x^8+15 x^7+20 x^6+14 x^5+14 x^4+21 x^3+21 x^2+14 x+11$
  • $y^2=x^8+5 x^7+20 x^6+10 x^5+7 x^4+21 x^3+7 x^2+6 x+14$
  • $y^2=x^8+17 x^7+7 x^6+17 x^5+10 x^4+11 x^3+12 x^2+2 x+10$
  • $y^2=x^8+22 x^7+12 x^6+12 x^5+14 x^3+12 x^2+10 x+11$
  • $y^2=22 x^8+4 x^7+4 x^6+x^5+3 x^4+14 x^3+9 x^2+11 x+3$
  • $y^2=22 x^8+16 x^7+11 x^5+17 x^4+10 x^3+22 x^2+21$
  • and 21 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 6.0.930985712.1.

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.c_cn_dk$2$(not in LMFDB)