Properties

Label 2.53.e_de
Base field $\F_{53}$
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:  $\F_{53}$
Dimension:  $2$
L-polynomial:  $1 + 4 x + 82 x^{2} + 212 x^{3} + 2809 x^{4}$
Frobenius angles:  $\pm0.427415022666$, $\pm0.666954335528$
Angle rank:  $2$ (numerical)
Number field:  4.0.6262592.1
Galois group:  $D_{4}$
Jacobians:  $252$

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $3108$ $8317008$ $22122001188$ $62254867497984$ $174880412980673988$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $58$ $2958$ $148594$ $7889870$ $418178618$ $22164123294$ $1174714402514$ $62259702160030$ $3299763375093946$ $174887470245349038$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 252 curves (of which all are hyperelliptic):

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{53}$.

Endomorphism algebra over $\F_{53}$
The endomorphism algebra of this simple isogeny class is 4.0.6262592.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
2.53.ae_de$2$(not in LMFDB)