Properties

Label 2.47.g_dz
Base field $\F_{47}$
Dimension $2$
$p$-rank $2$
Ordinary yes
Supersingular no
Simple no
Geometrically simple no
Primitive yes
Principally polarizable yes
Contains a Jacobian yes

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Invariants

Base field:  $\F_{47}$
Dimension:  $2$
L-polynomial:  $( 1 + 3 x + 47 x^{2} )^{2}$
  $1 + 6 x + 103 x^{2} + 282 x^{3} + 2209 x^{4}$
Frobenius angles:  $\pm0.570213408102$, $\pm0.570213408102$
Angle rank:  $1$ (numerical)
Jacobians:  $50$

This isogeny class is not 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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $2601$ $5267025$ $10697351184$ $23783909765625$ $52611533192505681$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $54$ $2380$ $103032$ $4874068$ $229399074$ $10779316990$ $506620274382$ $23811290421988$ $1119130595587944$ $52599131691643900$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 50 curves (of which all are hyperelliptic):

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{47}$.

Endomorphism algebra over $\F_{47}$
The isogeny class factors as 1.47.d 2 and its endomorphism algebra is $\mathrm{M}_{2}($\(\Q(\sqrt{-179}) \)$)$

Base change

This is a primitive isogeny class.

Twists

Below are some of the twists of this isogeny class.

TwistExtension degreeCommon base change
2.47.ag_dz$2$(not in LMFDB)
2.47.a_dh$2$(not in LMFDB)
2.47.ad_abm$3$(not in LMFDB)

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

TwistExtension degreeCommon base change
2.47.ag_dz$2$(not in LMFDB)
2.47.a_dh$2$(not in LMFDB)
2.47.ad_abm$3$(not in LMFDB)
2.47.a_adh$4$(not in LMFDB)
2.47.d_abm$6$(not in LMFDB)