Properties

Label 1.179.am
Base field $\F_{179}$
Dimension $1$
$p$-rank $1$
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:  $\F_{179}$
Dimension:  $1$
L-polynomial:  $1 - 12 x + 179 x^{2}$
Frobenius angles:  $\pm0.351972279599$
Angle rank:  $1$ (numerical)
Number field:  \(\Q(\sqrt{-143}) \)
Galois group:  $C_2$
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:  $1$
Slopes:  $[0, 1]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $168$ $32256$ $5740056$ $1026643968$ $183765372168$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $168$ $32256$ $5740056$ $1026643968$ $183765372168$ $32894102674944$ $5888046289228152$ $1053960290607587328$ $188658891734823120744$ $33769941616260519538176$

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 $\F_{179}$.

Endomorphism algebra over $\F_{179}$
The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{-143}) \).

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
1.179.m$2$(not in LMFDB)