Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 23 x + 245 x^{2} - 1357 x^{3} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.145210552306$, $\pm0.295391543398$ |
| Angle rank: | $2$ (numerical) |
| Number field: | 4.0.122157.1 |
| Galois group: | $D_{4}$ |
| Jacobians: | $10$ |
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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $2347$ | $11986129$ | $42317778301$ | $146922673096525$ | $511144445313323152$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $37$ | $3443$ | $206047$ | $12124971$ | $714963032$ | $42180601151$ | $2488651551773$ | $146830448676931$ | $8662996013705083$ | $511116754929861878$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 10 curves (of which all are hyperelliptic):
- $y^2=53 x^6+20 x^5+58 x^4+49 x^3+17 x^2+27 x+52$
- $y^2=18 x^6+34 x^5+50 x^4+x^3+31 x^2+27 x+11$
- $y^2=16 x^6+25 x^5+13 x^4+27 x^3+41 x^2+x+58$
- $y^2=34 x^6+23 x^5+13 x^4+43 x^3+26 x^2+4 x+27$
- $y^2=32 x^6+58 x^5+41 x^4+21 x^3+47 x^2+2 x+32$
- $y^2=31 x^6+39 x^5+53 x^4+43 x^3+3 x^2+3 x+23$
- $y^2=2 x^6+26 x^5+48 x^4+6 x^3+58 x^2+34 x+43$
- $y^2=6 x^6+4 x^5+42 x^4+12 x^3+3 x^2+46 x+49$
- $y^2=2 x^6+23 x^5+12 x^4+19 x^3+54 x^2+21 x+42$
- $y^2=54 x^6+23 x^5+25 x^4+10 x^3+9 x^2+2 x+39$
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 4.0.122157.1. |
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.x_jl | $2$ | (not in LMFDB) |