Properties

Label 3.11.ab_r_abj
Base field $\F_{11}$
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:  $\F_{11}$
Dimension:  $3$
L-polynomial:  $1 - x + 17 x^{2} - 35 x^{3} + 187 x^{4} - 121 x^{5} + 1331 x^{6}$
Frobenius angles:  $\pm0.238916790429$, $\pm0.543896157017$, $\pm0.646111072817$
Angle rank:  $3$ (numerical)
Number field:  6.0.75024047.1
Galois group:  $A_4\times C_2$
Cyclic group of points:    yes

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

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $1379$ $2334647$ $2262402569$ $3159171946343$ $4223377172474089$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $11$ $155$ $1277$ $14739$ $162821$ $1771451$ $19475992$ $214342787$ $2357871911$ $25937336835$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 13 hyperelliptic curves, but it is unknown how many Jacobians of non-hyperelliptic curves it contains:

  • $y^2=7 x^8+4 x^7+9 x^6+x^4+8 x^3+4 x^2+9 x+1$
  • $y^2=10 x^8+3 x^7+10 x^6+3 x^5+4 x^4+3 x^3+5 x^2+6 x+10$
  • $y^2=6 x^8+x^7+8 x^6+7 x^5+x^4+7 x^3+5 x^2+2 x+9$
  • $y^2=8 x^8+8 x^7+2 x^6+10 x^5+3 x^4+8 x^3+8 x^2+5 x+2$
  • $y^2=2 x^8+6 x^7+x^6+2 x^5+9 x^4+10 x^3+10 x^2+6 x+8$
  • $y^2=8 x^8+6 x^7+8 x^6+10 x^5+4 x^4+7 x^2+8 x+3$
  • $y^2=x^8+7 x^7+9 x^6+2 x^5+2 x^4+9 x^3+10 x^2+9 x+3$
  • $y^2=4 x^8+8 x^7+2 x^6+2 x^4+5 x^3+7 x^2+4 x+10$
  • $y^2=3 x^8+10 x^7+8 x^6+3 x^5+9 x^4+10 x^3+9 x^2+2 x+10$
  • $y^2=3 x^8+6 x^7+2 x^6+4 x^5+4 x^4+9 x^3+3 x+1$
  • $y^2=7 x^8+7 x^7+7 x^6+10 x^5+10 x^4+4 x^3+8 x^2+10 x+7$
  • $y^2=3 x^8+2 x^7+x^6+6 x^5+8 x^4+8 x^3+8 x^2+5 x+8$
  • $y^2=5 x^8+9 x^7+6 x^5+8 x^4+2 x^3+8 x^2+3 x+7$

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{11}$.

Endomorphism algebra over $\F_{11}$
The endomorphism algebra of this simple isogeny class is 6.0.75024047.1.

Base change

This is a primitive isogeny class.

Twists

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

TwistExtension degreeCommon base change
3.11.b_r_bj$2$(not in LMFDB)