Properties

Label 3.8.aj_bp_afb
Base field $\F_{2^{3}}$
Dimension $3$
$p$-rank $3$
Ordinary yes
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes

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Invariants

Base field:  $\F_{2^{3}}$
Dimension:  $3$
L-polynomial:  $1 - 9 x + 41 x^{2} - 131 x^{3} + 328 x^{4} - 576 x^{5} + 512 x^{6}$
Frobenius angles:  $\pm0.0917223922411$, $\pm0.237540458923$, $\pm0.532529280913$
Angle rank:  $3$ (numerical)
Number field:  6.0.2039830000.1
Galois group:  $S_4\times C_2$
Isomorphism classes:  18

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $166$ $265268$ $130656442$ $67986066256$ $35651412382186$

Point counts of the (virtual) curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $0$ $66$ $498$ $4054$ $33200$ $263382$ $2095086$ $16769310$ $134234904$ $1073814346$

Jacobians and polarizations

This isogeny class is principally polarizable, but it is unknown whether it contains a Jacobian.

Decomposition and endomorphism algebra

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

Endomorphism algebra over $\F_{2^{3}}$
The endomorphism algebra of this simple isogeny class is 6.0.2039830000.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.8.j_bp_fb$2$(not in LMFDB)