Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 + 4 x + 102 x^{2} + 236 x^{3} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.448553131106$, $\pm0.638426109099$ |
| Angle rank: | $2$ (numerical) |
| Number field: | 4.0.69725.1 |
| Galois group: | $D_{4}$ |
| Jacobians: | $138$ |
| Isomorphism classes: | 258 |
| Cyclic group of points: | no |
| Non-cyclic primes: | $2$ |
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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $3824$ | $12787456$ | $42087743216$ | $146777284358144$ | $511120587882227824$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $64$ | $3670$ | $204928$ | $12112974$ | $714929664$ | $42180412006$ | $2488654033216$ | $146830453826334$ | $8662995503864512$ | $511116752727151350$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 138 curves (of which all are hyperelliptic):
- $y^2=24 x^6+17 x^5+12 x^4+56 x^3+18 x^2+31 x+1$
- $y^2=34 x^6+32 x^5+14 x^4+26 x^3+20 x^2+57 x+44$
- $y^2=49 x^6+17 x^5+23 x^4+25 x^3+39 x^2+22 x+12$
- $y^2=39 x^5+24 x^4+8 x^3+40 x^2+45 x+36$
- $y^2=15 x^6+56 x^5+4 x^4+58 x^3+23 x^2+57 x+43$
- $y^2=42 x^6+11 x^5+46 x^4+23 x^3+47 x^2+13 x+40$
- $y^2=4 x^6+22 x^5+35 x^4+4 x^3+17 x^2+2 x$
- $y^2=38 x^6+49 x^5+47 x^4+23 x^3+44 x^2+21$
- $y^2=33 x^6+29 x^5+39 x^4+47 x^3+19 x^2+11 x+40$
- $y^2=29 x^6+34 x^5+x^4+43 x^3+10 x^2+42 x+24$
- $y^2=52 x^6+53 x^5+6 x^4+21 x^3+43 x^2+31 x+22$
- $y^2=36 x^6+53 x^5+9 x^4+26 x^3+50 x^2+47 x+22$
- $y^2=37 x^6+24 x^5+55 x^4+24 x^3+47 x^2+33 x+28$
- $y^2=38 x^6+57 x^5+4 x^4+53 x^3+53 x^2+8 x+17$
- $y^2=33 x^6+19 x^5+44 x^4+39 x^3+26 x^2+37 x+28$
- $y^2=35 x^6+42 x^5+19 x^4+27 x^3+23 x^2+14 x+54$
- $y^2=39 x^6+8 x^5+55 x^4+10 x^3+2 x^2+11 x+42$
- $y^2=5 x^6+37 x^5+41 x^4+32 x^3+10 x^2+13 x+7$
- $y^2=16 x^6+53 x^5+49 x^4+35 x^3+8 x^2+33 x+21$
- $y^2=3 x^6+x^5+6 x^4+31 x^3+35 x^2+49 x+22$
- and 118 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 4.0.69725.1. |
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.ae_dy | $2$ | (not in LMFDB) |