# Properties

 Label 1.199.al Base Field $\F_{199}$ Dimension $1$ Ordinary Yes $p$-rank $1$ Principally polarizable Yes Contains a Jacobian Yes

## Invariants

 Base field: $\F_{199}$ Dimension: $1$ L-polynomial: $1 - 11 x + 199 x^{2}$ Frobenius angles: $\pm0.372514872374$ Angle rank: $1$ (numerical) Number field: $$\Q(\sqrt{-3})$$ Galois group: $C_2$ Jacobians: 10

This isogeny class is simple and geometrically simple.

## Newton polygon

This isogeny class is ordinary.

 $p$-rank: $1$ Slopes: $[0, 1]$

## Point counts

This isogeny class contains the Jacobians of 10 curves, and hence is principally polarizable:

 $r$ 1 2 3 4 5 6 7 8 9 10 $A(\F_{q^r})$ 189 39879 7885836 1568241675 312078586239 62103828944304 12358664352899361 2459374194683481075 489415464138830696964 97393677359289461112879

 $r$ 1 2 3 4 5 6 7 8 9 10 $C(\F_{q^r})$ 189 39879 7885836 1568241675 312078586239 62103828944304 12358664352899361 2459374194683481075 489415464138830696964 97393677359289461112879

## Decomposition and endomorphism algebra

Endomorphism algebra over $\F_{199}$
 The endomorphism algebra of this simple isogeny class is $$\Q(\sqrt{-3})$$.
All geometric endomorphisms are defined over $\F_{199}$.

## Base change

This is a primitive isogeny class.

## Twists

Below are some of the twists of this isogeny class.
 Twist Extension Degree Common base change 1.199.l $2$ (not in LMFDB) 1.199.ar $3$ (not in LMFDB) 1.199.bc $3$ (not in LMFDB)
Below is a list of all twists of this isogeny class.
 Twist Extension Degree Common base change 1.199.l $2$ (not in LMFDB) 1.199.ar $3$ (not in LMFDB) 1.199.bc $3$ (not in LMFDB) 1.199.abc $6$ (not in LMFDB) 1.199.r $6$ (not in LMFDB)