Properties

Label 3.3.d_g_m
Base field $\F_{3}$
Dimension $3$
$p$-rank $0$
Ordinary no
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes
Contains a Jacobian yes

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Invariants

Base field:  $\F_{3}$
Dimension:  $3$
L-polynomial:  $1 + 3 x + 6 x^{2} + 12 x^{3} + 18 x^{4} + 27 x^{5} + 27 x^{6}$
Frobenius angles:  $\pm0.354495973058$, $\pm0.609416820172$, $\pm0.922323234158$
Angle rank:  $3$ (numerical)
Number field:  6.0.5604552.1
Galois group:  $S_4\times C_2$
Jacobians:  $2$
Cyclic group of points:    yes

This isogeny class is simple and geometrically simple, primitive, not ordinary, and not supersingular. It is principally polarizable and contains a Jacobian.

Newton polygon

$p$-rank:  $0$
Slopes:  $[1/3, 1/3, 1/3, 2/3, 2/3, 2/3]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $94$ $940$ $26038$ $488800$ $15432544$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $7$ $13$ $37$ $73$ $262$ $649$ $2107$ $6913$ $19765$ $58888$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 2 curves (of which 1 is hyperelliptic):

  • $y^2=x^8+2 x^7+x$
  • $x^4+2 x^3 y+x^2 y^2+x z^3+y^3 z=0$

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{3}$.

Endomorphism algebra over $\F_{3}$
The endomorphism algebra of this simple isogeny class is 6.0.5604552.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.3.ad_g_am$2$3.9.d_a_abk