Properties

Label 2.113.ay_ny
Base field $\F_{113}$
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:  $\F_{113}$
Dimension:  $2$
L-polynomial:  $1 - 24 x + 362 x^{2} - 2712 x^{3} + 12769 x^{4}$
Frobenius angles:  $\pm0.254308800648$, $\pm0.358021715494$
Angle rank:  $2$ (numerical)
Number field:  4.0.341568.1
Galois group:  $D_{4}$
Jacobians:  $132$
Isomorphism classes:  168

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $10396$ $164963728$ $2087880420892$ $26589481860916224$ $339456075271914430876$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $90$ $12918$ $1447002$ $163078270$ $18424315770$ $2081948939574$ $235260524991162$ $26584441901734270$ $3004041938504807322$ $339456738988006872438$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 132 curves (of which all are hyperelliptic):

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{113}$.

Endomorphism algebra over $\F_{113}$
The endomorphism algebra of this simple isogeny class is 4.0.341568.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
2.113.y_ny$2$(not in LMFDB)