Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 3 x + 112 x^{2} - 177 x^{3} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.408135478600$, $\pm0.528471906542$ |
| Angle rank: | $2$ (numerical) |
| Number field: | 4.0.55295064.1 |
| Galois group: | $D_{4}$ |
| Jacobians: | $72$ |
| Isomorphism classes: | 72 |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $3414$ | $12884436$ | $42273199512$ | $146717340392736$ | $511095367973242074$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $57$ | $3697$ | $205830$ | $12108025$ | $714894387$ | $42180820882$ | $2488652477697$ | $146830435619569$ | $8662995856467090$ | $511116752812226977$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 72 curves (of which all are hyperelliptic):
- $y^2=15 x^6+42 x^5+27 x^4+16 x^3+11 x^2+36 x+34$
- $y^2=51 x^6+28 x^5+5 x^4+21 x^3+28 x^2+9 x+30$
- $y^2=51 x^6+34 x^5+48 x^4+9 x^3+15 x^2+6 x+37$
- $y^2=53 x^6+47 x^5+10 x^3+25 x^2+24 x+48$
- $y^2=52 x^6+27 x^5+10 x^4+8 x^3+22 x^2+36 x+18$
- $y^2=57 x^6+51 x^5+33 x^4+38 x^3+34 x^2+21 x+24$
- $y^2=29 x^6+24 x^5+31 x^4+24 x+56$
- $y^2=11 x^6+31 x^5+26 x^4+29 x^3+21 x^2+42 x+5$
- $y^2=14 x^6+53 x^5+56 x^4+22 x^3+18 x^2+20 x+52$
- $y^2=x^6+19 x^5+42 x^4+12 x^3+37 x^2+43 x+42$
- $y^2=34 x^6+32 x^5+54 x^4+32 x^3+x^2+5 x+17$
- $y^2=29 x^6+2 x^5+25 x^4+11 x^3+27 x^2+39 x+38$
- $y^2=36 x^6+20 x^5+50 x^4+2 x^3+43 x^2+38 x+8$
- $y^2=29 x^6+56 x^5+52 x^4+6 x^3+25 x^2+24 x+43$
- $y^2=54 x^6+48 x^5+9 x^4+41 x^3+23 x^2+8 x+26$
- $y^2=51 x^6+29 x^5+36 x^4+3 x^3+56 x^2+56 x+13$
- $y^2=10 x^6+11 x^5+2 x^4+12 x^3+7 x^2+25 x+58$
- $y^2=57 x^6+4 x^5+25 x^4+51 x^3+58 x^2+9 x+6$
- $y^2=51 x^6+17 x^4+48 x^3+31 x^2+45 x+15$
- $y^2=3 x^6+11 x^5+39 x^4+35 x^3+26 x^2+37 x+14$
- and 52 more
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 4.0.55295064.1. |
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.d_ei | $2$ | (not in LMFDB) |