Properties

Label 6.2.b_ab_a_ad_ad_h
Base field $\F_{2}$
Dimension $6$
$p$-rank $6$
Ordinary yes
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable no
Contains a Jacobian no

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Invariants

Base field:  $\F_{2}$
Dimension:  $6$
L-polynomial:  $1 + x - x^{2} - 3 x^{4} - 3 x^{5} + 7 x^{6} - 6 x^{7} - 12 x^{8} - 16 x^{10} + 32 x^{11} + 64 x^{12}$
Frobenius angles:  $\pm0.0430884721787$, $\pm0.248079428433$, $\pm0.477259307350$, $\pm0.568025754910$, $\pm0.868962538268$, $\pm0.983187046962$
Angle rank:  $5$ (numerical)
Number field:  12.0.144869678261310016.1
Galois group:  $S_6\times C_2$
Jacobians:  $0$

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

Newton polygon

This isogeny class is ordinary.

$p$-rank:  $6$
Slopes:  $[0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $64$ $1024$ $446464$ $4489216$ $1512147904$

Point counts of the (virtual) curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $4$ $2$ $13$ $-2$ $44$ $71$ $88$ $190$ $481$ $1002$

Jacobians and polarizations

This isogeny class is not principally polarizable, and therefore 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 12.0.144869678261310016.1.

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_ab_a_ad_d_h$2$(not in LMFDB)