Properties

Label 3.2.c_b_a
Base field $\F_{2}$
Dimension $3$
$p$-rank $2$
Ordinary no
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes
Contains a Jacobian no

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Invariants

Base field:  $\F_{2}$
Dimension:  $3$
L-polynomial:  $1 + 2 x + x^{2} + 2 x^{4} + 8 x^{5} + 8 x^{6}$
Frobenius angles:  $\pm0.229446223460$, $\pm0.660092868705$, $\pm0.930646645245$
Angle rank:  $2$ (numerical)
Number field:  6.0.2580992.1
Galois group:  $D_{6}$
Jacobians:  $0$
Cyclic group of points:    yes

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

Newton polygon

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

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $22$ $44$ $550$ $5984$ $65362$

Point counts of the (virtual) curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $5$ $3$ $11$ $23$ $55$ $51$ $131$ $255$ $407$ $1043$

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 $\F_{2}$.

Endomorphism algebra over $\F_{2}$
The endomorphism algebra of this simple isogeny class is 6.0.2580992.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.2.ac_b_a$2$3.4.ac_f_am