Properties

Label 2.193.abw_bky
Base field $\F_{193}$
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:  $\F_{193}$
Dimension:  $2$
L-polynomial:  $1 - 48 x + 960 x^{2} - 9264 x^{3} + 37249 x^{4}$
Frobenius angles:  $\pm0.132444567603$, $\pm0.197898328146$
Angle rank:  $2$ (numerical)
Number field:  4.0.2113792.1
Galois group:  $D_{4}$
Jacobians:  $20$

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $28898$ $1373290756$ $51681517058594$ $1925214602462699536$ $71709317079284242891298$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $146$ $36866$ $7188914$ $1387554054$ $267786723506$ $51682563995906$ $9974730590974610$ $1925122954928540158$ $371548729915322666258$ $71708904873025163218946$

Jacobians and polarizations

This isogeny class contains the Jacobians of 20 curves (of which all are hyperelliptic), and hence is principally polarizable:

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{193}$.

Endomorphism algebra over $\F_{193}$
The endomorphism algebra of this simple isogeny class is 4.0.2113792.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
2.193.bw_bky$2$(not in LMFDB)