Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 6 x + 125 x^{2} - 354 x^{3} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.407228766241$, $\pm0.467083539198$ |
| Angle rank: | $2$ (numerical) |
| Number field: | 4.0.3235392.4 |
| Galois group: | $D_{4}$ |
| Jacobians: | $20$ |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $3247$ | $12880849$ | $42380766148$ | $146719993219497$ | $511059872468133847$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $54$ | $3696$ | $206352$ | $12108244$ | $714844734$ | $42180795150$ | $2488656388314$ | $146830437910180$ | $8662995577096416$ | $511116752638585536$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 20 curves (of which all are hyperelliptic):
- $y^2=39 x^6+30 x^5+43 x^4+24 x^3+35 x^2+44 x+26$
- $y^2=13 x^6+41 x^5+37 x^4+45 x^3+54 x^2+24 x+18$
- $y^2=50 x^6+29 x^5+28 x^4+34 x^3+12 x^2+21 x+35$
- $y^2=17 x^6+56 x^5+32 x^4+34 x^3+51 x^2+37 x+56$
- $y^2=40 x^6+38 x^5+37 x^4+17 x^3+8 x^2+20 x+35$
- $y^2=42 x^6+47 x^5+50 x^4+28 x^3+46 x^2+55 x+29$
- $y^2=32 x^6+6 x^5+3 x^4+18 x^3+3 x^2+14 x+2$
- $y^2=24 x^6+23 x^5+12 x^4+29 x^3+37 x^2+36 x+50$
- $y^2=32 x^6+47 x^5+41 x^4+19 x^3+4 x^2+3 x+26$
- $y^2=21 x^6+33 x^5+32 x^4+15 x^3+13 x^2+37 x+58$
- $y^2=15 x^6+5 x^5+32 x^4+49 x^3+58 x^2+49 x+35$
- $y^2=2 x^6+28 x^5+6 x^4+43 x^3+51 x^2+47 x+11$
- $y^2=37 x^6+11 x^5+34 x^4+20 x^3+13 x^2+3 x+45$
- $y^2=7 x^6+6 x^5+55 x^4+52 x^3+35 x^2+17 x+42$
- $y^2=10 x^6+35 x^5+54 x^4+39 x^3+26 x^2+54 x+33$
- $y^2=26 x^6+37 x^5+32 x^4+15 x^3+52 x^2+28 x+4$
- $y^2=28 x^6+42 x^5+8 x^4+6 x^3+33 x^2+53 x+28$
- $y^2=50 x^6+53 x^5+58 x^4+17 x^3+50 x^2+7 x+12$
- $y^2=54 x^6+43 x^5+23 x^4+35 x^3+39 x^2+26 x+45$
- $y^2=27 x^6+48 x^5+48 x^4+29 x^3+54 x^2+26 x+10$
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 4.0.3235392.4. |
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.g_ev | $2$ | (not in LMFDB) |