Properties

Label 2.59.aba_kw
Base field $\F_{59}$
Dimension $2$
$p$-rank $2$
Ordinary yes
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes
Contains a Jacobian yes

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Invariants

Base field:  $\F_{59}$
Dimension:  $2$
L-polynomial:  $1 - 26 x + 282 x^{2} - 1534 x^{3} + 3481 x^{4}$
Frobenius angles:  $\pm0.0408324159889$, $\pm0.252883515811$
Angle rank:  $2$ (numerical)
Number field:  4.0.11600.1
Galois group:  $D_{4}$
Jacobians:  $6$

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

Newton polygon

This isogeny class is ordinary.

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

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $2204$ $11734096$ $42143012396$ $146841228326144$ $511111901708972524$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $34$ $3370$ $205198$ $12118254$ $714917514$ $42180216346$ $2488647150646$ $146830400878494$ $8662995622910482$ $511116753023853450$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 6 curves (of which all are hyperelliptic):

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{59}$.

Endomorphism algebra over $\F_{59}$
The endomorphism algebra of this simple isogeny class is 4.0.11600.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
2.59.ba_kw$2$(not in LMFDB)