Properties

Label 3.9.am_cs_ajx
Base field $\F_{3^{2}}$
Dimension $3$
$p$-rank $3$
Ordinary yes
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes
Contains a Jacobian no

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Invariants

Base field:  $\F_{3^{2}}$
Dimension:  $3$
L-polynomial:  $1 - 12 x + 70 x^{2} - 257 x^{3} + 630 x^{4} - 972 x^{5} + 729 x^{6}$
Frobenius angles:  $\pm0.0749946225172$, $\pm0.217193452972$, $\pm0.419068678586$
Angle rank:  $3$ (numerical)
Number field:  6.0.62548403.1
Galois group:  $S_4\times C_2$
Isomorphism classes:  6

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

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $189$ $504819$ $398983725$ $281059492707$ $205254129344229$

Point counts of the (virtual) curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $-2$ $78$ $751$ $6530$ $58868$ $532125$ $4787312$ $43047730$ $387372424$ $3486669078$

Jacobians and polarizations

This isogeny class is principally polarizable, but does not contain a Jacobian.

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{3^{2}}$.

Endomorphism algebra over $\F_{3^{2}}$
The endomorphism algebra of this simple isogeny class is 6.0.62548403.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.9.m_cs_jx$2$(not in LMFDB)