Properties

Label 5.2.ah_ba_acp_fd_aic
Base Field $\F_{2}$
Dimension $5$
$p$-rank $4$
Does not contain a Jacobian

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Invariants

Base field:  $\F_{2}$
Dimension:  $5$
Weil polynomial:  $( 1 - 2 x + 2 x^{2} )( 1 - 3 x + 5 x^{2} - 6 x^{3} + 4 x^{4} )( 1 - 2 x + 3 x^{2} - 4 x^{3} + 4 x^{4} )$
Frobenius angles:  $\pm0.123548644961$, $\pm0.174442860055$, $\pm0.25$, $\pm0.456881978294$, $\pm0.546783656212$
Angle rank:  $3$ (numerical)

Newton polygon

$p$-rank:  $4$
Slopes:  $[0, 0, 0, 0, 1/2, 1/2, 1, 1, 1, 1]$

Point counts

This isogeny class does not contain a Jacobian, and it is unknown whether it is principally polarizable.

Point counts of the abelian variety

$r$ 1 2 3 4 5 6 7 8 9 10
$A(\F_{q^r})$ 2 2660 61256 957600 69424562 2281173440 39982829098 1029278275200 35222880982952 1154645016587300

Point counts of the (virtual) curve

$r$ 1 2 3 4 5 6 7 8 9 10
$C(\F_{q^r})$ -4 8 11 16 56 113 150 240 515 1048

Decomposition

1.2.ac $\times$ 2.2.ad_f $\times$ 2.2.ac_d

Base change

This is a primitive isogeny class.