Properties

Label 5.2.af_o_abd_by_acx
Base field $\F_{2}$
Dimension $5$
$p$-rank $5$
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:  $\F_{2}$
Dimension:  $5$
L-polynomial:  $1 - 5 x + 14 x^{2} - 29 x^{3} + 50 x^{4} - 75 x^{5} + 100 x^{6} - 116 x^{7} + 112 x^{8} - 80 x^{9} + 32 x^{10}$
Frobenius angles:  $\pm0.0882933931853$, $\pm0.191709583463$, $\pm0.338081491767$, $\pm0.491435615996$, $\pm0.678554723993$
Angle rank:  $5$ (numerical)
Number field:  10.0.2869065680951.1
Galois group:  $C_2 \wr S_5$
Jacobians:  $0$
Isomorphism classes:  2

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:  $5$
Slopes:  $[0, 0, 0, 0, 0, 1, 1, 1, 1, 1]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $4$ $2456$ $25084$ $1262384$ $42126004$

Point counts of the (virtual) curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $-2$ $8$ $7$ $20$ $38$ $65$ $159$ $268$ $511$ $1158$

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 10.0.2869065680951.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
5.2.f_o_bd_by_cx$2$(not in LMFDB)