Properties

Label 3.7.a_o_ah
Base field $\F_{7}$
Dimension $3$
$p$-rank $0$
Ordinary no
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes

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Invariants

Base field:  $\F_{7}$
Dimension:  $3$
L-polynomial:  $1 + 14 x^{2} - 7 x^{3} + 98 x^{4} + 343 x^{6}$
Frobenius angles:  $\pm0.304538351939$, $\pm0.582546052305$, $\pm0.603602957694$
Angle rank:  $3$ (numerical)
Number field:  6.0.602651.1
Galois group:  $A_4\times C_2$
Cyclic group of points:    yes

This isogeny class is simple and geometrically simple, primitive, not ordinary, and not supersingular. It is principally polarizable.

Newton polygon

$p$-rank:  $0$
Slopes:  $[1/3, 1/3, 1/3, 2/3, 2/3, 2/3]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $449$ $207887$ $37829597$ $13847976731$ $4887765324359$

Point counts of the (virtual) curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $8$ $78$ $323$ $2402$ $17298$ $116817$ $818742$ $5770290$ $40374188$ $282446438$

Jacobians and polarizations

This isogeny class is principally polarizable and contains no Jacobian of a hyperelliptic curve, but it is unknown whether it contains a Jacobian of a non-hyperelliptic curve.

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{7}$.

Endomorphism algebra over $\F_{7}$
The endomorphism algebra of this simple isogeny class is 6.0.602651.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.7.a_o_h$2$(not in LMFDB)