Properties

Label 1.467.abe
Base field $\F_{467}$
Dimension $1$
$p$-rank $1$
Ordinary yes
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes
Contains a Jacobian yes

Related objects

Downloads

Learn more

Invariants

Base field:  $\F_{467}$
Dimension:  $1$
L-polynomial:  $1 - 30 x + 467 x^{2}$
Frobenius angles:  $\pm0.255794929228$
Angle rank:  $1$ (numerical)
Number field:  \(\Q(\sqrt{-2}) \)
Galois group:  $C_2$
Jacobians:  $11$

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $438$ $218124$ $101862594$ $47563246944$ $22211839198758$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $438$ $218124$ $101862594$ $47563246944$ $22211839198758$ $10372926066833196$ $4844156480098244754$ $2262221077738301193600$ $1056457243346542988593878$ $493365532643402625051361164$

Jacobians and polarizations

This isogeny class contains the Jacobians of 11 curves (of which all are hyperelliptic), and hence is principally polarizable:

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{467}$.

Endomorphism algebra over $\F_{467}$
The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{-2}) \).

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
1.467.be$2$(not in LMFDB)