Properties

Label 3.11.a_f_aq
Base field $\F_{11}$
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:  $\F_{11}$
Dimension:  $3$
L-polynomial:  $1 + 5 x^{2} - 16 x^{3} + 55 x^{4} + 1331 x^{6}$
Frobenius angles:  $\pm0.183878615465$, $\pm0.527787956126$, $\pm0.770210745538$
Angle rank:  $3$ (numerical)
Number field:  6.0.68700928.2
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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $1376$ $1937408$ $2278203296$ $3174745243648$ $4187614563601376$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $12$ $132$ $1284$ $14812$ $161452$ $1777380$ $19490532$ $214313532$ $2358065868$ $25937158852$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 225 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

  • $y^2=4 x^7+x^6+6 x^5+3 x^4+8 x^3+3 x^2+4 x$
  • $y^2=5 x^8+10 x^6+2 x^5+8 x^4+3 x^3+8 x^2+7 x+7$
  • $y^2=7 x^8+3 x^7+6 x^5+4 x^3+5 x^2+5 x$
  • $y^2=2 x^8+4 x^7+6 x^6+4 x^5+9 x^4+6 x^3+10 x^2+2 x$
  • $y^2=9 x^8+3 x^7+3 x^5+5 x^3+9 x^2+6 x+4$
  • $y^2=9 x^8+5 x^7+5 x^6+5 x^5+4 x^4+4 x^3+7 x^2+5 x+8$
  • $y^2=2 x^8+5 x^7+2 x^6+x^5+6 x^4+5 x^3+8 x^2+6 x+8$
  • $y^2=3 x^8+9 x^7+2 x^6+x^4+6 x^3+3 x^2+6 x$
  • $y^2=5 x^8+x^7+4 x^6+10 x^5+10 x^4+2 x^3+10 x+10$
  • $y^2=8 x^8+6 x^7+x^6+7 x^5+6 x^4+4 x^3+2 x^2+8 x+5$
  • $y^2=8 x^8+x^7+5 x^6+9 x^5+9 x^4+6 x^3+8 x^2+4 x+2$
  • $y^2=9 x^8+3 x^7+x^6+2 x^5+x^4+8 x^3+6 x^2+4 x+5$
  • $y^2=5 x^8+x^7+8 x^6+2 x^5+5 x^4+6 x^3+x^2+5 x+10$
  • $y^2=9 x^8+3 x^7+3 x^6+10 x^5+5 x^4+2 x^3+3 x^2+7$
  • $y^2=x^8+5 x^7+3 x^6+7 x^5+5 x^4+10 x^3+4 x^2+3 x+1$
  • $y^2=3 x^8+9 x^7+4 x^6+8 x^5+x^4+2 x^3+9 x^2+9$
  • $y^2=7 x^8+9 x^7+5 x^6+5 x^5+3 x^4+9 x^3+2 x^2+10 x+9$
  • $y^2=7 x^8+8 x^7+2 x^6+6 x^5+5 x^4+7 x^3+7 x+6$
  • $y^2=6 x^8+3 x^7+3 x^6+10 x^5+5 x^3+3 x^2+9 x+1$
  • $y^2=7 x^8+4 x^5+2 x^4+2 x^3+2 x^2+10 x+6$
  • and 205 more

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{11}$.

Endomorphism algebra over $\F_{11}$
The endomorphism algebra of this simple isogeny class is 6.0.68700928.2.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.11.a_f_q$2$(not in LMFDB)