Properties

Label 6.2.b_c_b_f_ab_a
Base field $\F_{2}$
Dimension $6$
$p$-rank $5$
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:  $6$
L-polynomial:  $1 + x + 2 x^{2} + x^{3} + 5 x^{4} - x^{5} - 2 x^{7} + 20 x^{8} + 8 x^{9} + 32 x^{10} + 32 x^{11} + 64 x^{12}$
Frobenius angles:  $\pm0.122288410051$, $\pm0.352712914252$, $\pm0.396487740571$, $\pm0.673524735984$, $\pm0.723527324953$, $\pm0.843848571432$
Angle rank:  $6$ (numerical)
Number field:  12.0.82246146636020436296.1
Galois group:  12T293
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:  $5$
Slopes:  $[0, 0, 0, 0, 0, 1/2, 1/2, 1, 1, 1, 1, 1]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $163$ $13855$ $177181$ $50778575$ $520439603$

Point counts of the (virtual) curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $4$ $8$ $7$ $32$ $9$ $47$ $179$ $352$ $529$ $1083$

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 12.0.82246146636020436296.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
6.2.ab_c_ab_f_b_a$2$(not in LMFDB)