Properties

Label 2.59.ah_ez
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:  $1 - 7 x + 129 x^{2} - 413 x^{3} + 3481 x^{4}$
Frobenius angles:  $\pm0.402810282391$, $\pm0.450445236886$
Angle rank:  $2$ (numerical)
Number field:  4.0.1236125.2
Galois group:  $D_{4}$
Jacobians:  $16$
Cyclic group of points:    yes

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $3191$ $12862921$ $42412701041$ $146733063846845$ $511051718643034096$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $53$ $3691$ $206507$ $12109323$ $714833328$ $42180671791$ $2488656944057$ $146830448410083$ $8662995563782763$ $511116751896361206$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 16 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 4.0.1236125.2.

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.h_ez$2$(not in LMFDB)