Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 7 x + 129 x^{2} - 413 x^{3} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.402810282391$, $\pm0.450445236886$ |
| Angle rank: | $2$ (numerical) |
| Number field: | 4.0.1236125.2 |
| Galois group: | $D_{4}$ |
| Jacobians: | $16$ |
| 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: | $2$ |
| Slopes: | $[0, 0, 1, 1]$ |
Point counts
Point counts of the abelian variety
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $3191$ | $12862921$ | $42412701041$ | $146733063846845$ | $511051718643034096$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $53$ | $3691$ | $206507$ | $12109323$ | $714833328$ | $42180671791$ | $2488656944057$ | $146830448410083$ | $8662995563782763$ | $511116751896361206$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 16 curves (of which all are hyperelliptic):
- $y^2=x^6+8 x^5+47 x^4+33 x^3+27 x^2+36 x+57$
- $y^2=34 x^6+22 x^5+40 x^4+23 x^3+22 x^2+10 x+55$
- $y^2=34 x^6+31 x^5+18 x^4+15 x^2+10 x+33$
- $y^2=31 x^6+41 x^5+48 x^4+10 x^3+30 x^2+17 x+57$
- $y^2=48 x^6+44 x^5+10 x^4+45 x^3+53 x^2+7 x+49$
- $y^2=22 x^6+24 x^5+52 x^4+19 x^3+20 x+36$
- $y^2=52 x^6+6 x^5+6 x^4+31 x^3+6 x^2+17 x+14$
- $y^2=18 x^6+58 x^5+x^4+40 x^3+18 x^2+48 x+47$
- $y^2=15 x^6+20 x^5+25 x^4+38 x^3+11 x^2+21 x+6$
- $y^2=56 x^6+58 x^5+9 x^4+37 x^3+34 x^2+2 x+32$
- $y^2=3 x^6+25 x^5+6 x^4+40 x^3+58 x^2+x+19$
- $y^2=44 x^6+41 x^5+45 x^4+24 x^3+8 x^2+15 x+44$
- $y^2=34 x^6+34 x^5+39 x^4+6 x^3+8 x^2+17 x+48$
- $y^2=42 x^6+13 x^5+54 x^4+51 x^3+29 x^2+53 x+35$
- $y^2=9 x^6+14 x^5+30 x^4+50 x^3+2 x^2+47 x+51$
- $y^2=52 x^6+38 x^5+31 x^4+22 x^3+18 x^2+43 x+13$
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{59}$.
Endomorphism algebra over $\F_{59}$| The endomorphism algebra of this simple isogeny class is 4.0.1236125.2. |
Base change
This is a primitive isogeny class.
Twists
Below is a list of all twists of this isogeny class.
| Twist | Extension degree | Common base change |
|---|---|---|
| 2.59.h_ez | $2$ | (not in LMFDB) |