Properties

Label 2.59.ai_dl
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:  $1 - 8 x + 89 x^{2} - 472 x^{3} + 3481 x^{4}$
Frobenius angles:  $\pm0.254497897318$, $\pm0.556409345449$
Angle rank:  $2$ (numerical)
Number field:  4.0.693625.1
Galois group:  $D_{4}$
Jacobians:  $192$
Isomorphism classes:  192

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $3091$ $12521641$ $42223356736$ $146850612629545$ $511171427873398171$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $52$ $3596$ $205588$ $12119028$ $715000772$ $42180698486$ $2488646059868$ $146830409829028$ $8662995890880652$ $511116753216048956$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 192 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 4.0.693625.1.

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.i_dl$2$(not in LMFDB)