Properties

Label 3.3.ab_f_ae
Base field $\F_{3}$
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:  $\F_{3}$
Dimension:  $3$
L-polynomial:  $1 - x + 5 x^{2} - 4 x^{3} + 15 x^{4} - 9 x^{5} + 27 x^{6}$
Frobenius angles:  $\pm0.263563453386$, $\pm0.456615573474$, $\pm0.675390095728$
Angle rank:  $3$ (numerical)
Number field:  6.0.66703808.1
Galois group:  $S_4\times C_2$
Jacobians:  $1$
Isomorphism classes:  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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $34$ $2108$ $20536$ $615536$ $14969894$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $3$ $19$ $30$ $95$ $253$ $700$ $2243$ $6383$ $19038$ $59699$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobian of 1 curve (which is hyperelliptic):

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

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 6.0.66703808.1.

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.b_f_e$2$3.9.j_bv_go