Properties

Label 2.47.l_dp
Base field $\F_{47}$
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:  $\F_{47}$
Dimension:  $2$
L-polynomial:  $1 + 11 x + 93 x^{2} + 517 x^{3} + 2209 x^{4}$
Frobenius angles:  $\pm0.497906677546$, $\pm0.799900798974$
Angle rank:  $2$ (numerical)
Number field:  4.0.305525.1
Galois group:  $D_{4}$
Jacobians:  $72$
Isomorphism classes:  96

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $2831$ $5025025$ $10760005349$ $23807186568125$ $52591957895449456$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $59$ $2275$ $103637$ $4878843$ $229313724$ $10779590575$ $506622749027$ $23811273876963$ $1119130523383889$ $52599132234840750$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 72 curves (of which all are hyperelliptic):

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{47}$.

Endomorphism algebra over $\F_{47}$
The endomorphism algebra of this simple isogeny class is 4.0.305525.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
2.47.al_dp$2$(not in LMFDB)