Properties

Label 3.13.c_bb_bs
Base field $\F_{13}$
Dimension $3$
$p$-rank $3$
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:  $\F_{13}$
Dimension:  $3$
L-polynomial:  $1 + 2 x + 27 x^{2} + 44 x^{3} + 351 x^{4} + 338 x^{5} + 2197 x^{6}$
Frobenius angles:  $\pm0.365246170652$, $\pm0.527499814018$, $\pm0.705578942859$
Angle rank:  $3$ (numerical)
Number field:  6.0.350464.1
Galois group:  $D_{6}$
Cyclic group of points:    no
Non-cyclic primes:   $2$

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:  $3$
Slopes:  $[0, 0, 0, 1, 1, 1]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $2960$ $6488320$ $10495559120$ $23306045440000$ $51098176190646800$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $16$ $220$ $2176$ $28572$ $370656$ $4823740$ $62757872$ $815717052$ $10604678128$ $137859363100$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 121 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{13}$.

Endomorphism algebra over $\F_{13}$
The endomorphism algebra of this simple isogeny class is 6.0.350464.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.13.ac_bb_abs$2$(not in LMFDB)
3.13.ai_h_cm$4$(not in LMFDB)
3.13.i_h_acm$4$(not in LMFDB)