Properties

Label 3.11.g_bk_ew
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:  $1 + 6 x + 36 x^{2} + 126 x^{3} + 396 x^{4} + 726 x^{5} + 1331 x^{6}$
Frobenius angles:  $\pm0.464098343535$, $\pm0.574831949550$, $\pm0.786901481039$
Angle rank:  $3$ (numerical)
Number field:  6.0.11812955112.1
Galois group:  $S_4\times C_2$
Cyclic group of points:    yes

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $2622$ $2375532$ $2266918272$ $3107518928352$ $4164941119657182$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $18$ $158$ $1278$ $14498$ $160578$ $1775768$ $19484406$ $214332098$ $2358042138$ $25937040878$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 11 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

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

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 6.0.11812955112.1.

Base change

This is a primitive isogeny class.

Twists

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

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