Properties

Label 2.113.abl_vs
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:  $1 - 37 x + 564 x^{2} - 4181 x^{3} + 12769 x^{4}$
Frobenius angles:  $\pm0.0818341620435$, $\pm0.218655119859$
Angle rank:  $2$ (numerical)
Number field:  4.0.95948.1
Galois group:  $D_{4}$
Jacobians:  $14$
Isomorphism classes:  14

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $9116$ $160004032$ $2081098495232$ $26586137473781504$ $339460119564550357276$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $77$ $12529$ $1442306$ $163057761$ $18424535277$ $2081953278622$ $235260552060317$ $26584441851324609$ $3004041936880519202$ $339456738992531951409$

Jacobians and polarizations

This isogeny class contains the Jacobians of 14 curves (of which all are hyperelliptic), and hence is principally polarizable:

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 4.0.95948.1.

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.bl_vs$2$(not in LMFDB)