Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 + 12 x + 142 x^{2} + 708 x^{3} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.552785949046$, $\pm0.711272342164$ |
| Angle rank: | $2$ (numerical) |
| Number field: | \(\Q(\sqrt{-152 -70 \sqrt{3}})\) |
| Galois group: | $D_{4}$ |
| Jacobians: | $224$ |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $4344$ | $12614976$ | $41922523512$ | $146838522479616$ | $511138210667162424$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $72$ | $3622$ | $204120$ | $12118030$ | $714954312$ | $42180483382$ | $2488651739352$ | $146830418113054$ | $8662995947518920$ | $511116754516780102$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 224 curves (of which all are hyperelliptic):
- $y^2=45 x^6+2 x^5+11 x^4+35 x^3+7 x^2+23 x+37$
- $y^2=51 x^6+48 x^5+2 x^4+30 x^3+22 x^2+43 x+2$
- $y^2=31 x^6+17 x^5+8 x^4+21 x^3+35 x^2+13 x+27$
- $y^2=55 x^6+37 x^5+23 x^4+49 x^3+57 x^2+24 x+27$
- $y^2=34 x^6+48 x^5+22 x^4+26 x^3+x^2+21 x+53$
- $y^2=33 x^6+10 x^5+x^4+37 x^3+13 x^2+53 x+27$
- $y^2=21 x^6+51 x^5+34 x^4+55 x^3+7 x^2+21 x+41$
- $y^2=41 x^6+20 x^5+26 x^4+48 x^3+2 x^2+56 x+21$
- $y^2=41 x^6+55 x^5+26 x^4+10 x^3+21 x^2+40 x+25$
- $y^2=29 x^6+35 x^5+10 x^4+36 x^3+15 x^2+6 x+17$
- $y^2=24 x^6+23 x^5+42 x^4+37 x^3+33 x^2+27 x+45$
- $y^2=56 x^6+13 x^5+29 x^4+4 x^3+22 x^2+35 x+46$
- $y^2=21 x^6+10 x^5+54 x^4+18 x^3+47 x^2+25 x+57$
- $y^2=32 x^6+26 x^5+6 x^4+4 x^3+16 x^2+12 x+31$
- $y^2=57 x^6+49 x^5+5 x^4+4 x^3+31 x^2+34 x+16$
- $y^2=22 x^6+56 x^5+54 x^4+4 x^3+38 x^2+35 x$
- $y^2=55 x^6+18 x^5+55 x^4+17 x^3+14 x^2+53 x+43$
- $y^2=53 x^6+5 x^4+11 x^3+38 x^2+29 x+56$
- $y^2=16 x^6+21 x^5+53 x^4+26 x^3+51 x^2+17 x+40$
- $y^2=13 x^6+12 x^5+26 x^4+24 x^3+21 x^2+47 x+23$
- and 204 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 \(\Q(\sqrt{-152 -70 \sqrt{3}})\). |
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.am_fm | $2$ | (not in LMFDB) |