Properties

Label 2.243.acd_bvp
Base field $\F_{3^{5}}$
Dimension $2$
$p$-rank $2$
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:  $\F_{3^{5}}$
Dimension:  $2$
L-polynomial:  $1 - 55 x + 1237 x^{2} - 13365 x^{3} + 59049 x^{4}$
Frobenius angles:  $\pm0.0952562388508$, $\pm0.200242037068$
Angle rank:  $2$ (numerical)
Number field:  4.0.12537189.1
Galois group:  $D_{4}$

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:  $2$
Slopes:  $[0, 0, 1, 1]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $46867$ $3454425969$ $205857214491469$ $12157848981824922861$ $717899431388356490831632$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $189$ $58499$ $14346543$ $3486837035$ $847290313344$ $205891161629903$ $50031545458805253$ $12157665461975823299$ $2954312706560418502059$ $717897987691833854419814$

Jacobians and polarizations

This isogeny class contains a Jacobian, and hence is principally polarizable.

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{3^{5}}$.

Endomorphism algebra over $\F_{3^{5}}$
The endomorphism algebra of this simple isogeny class is 4.0.12537189.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
2.243.cd_bvp$2$(not in LMFDB)