Invariants
| Base field: | $\F_{53}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 12 x + 91 x^{2} - 636 x^{3} + 2809 x^{4}$ |
| Frobenius angles: | $\pm0.141687570611$, $\pm0.524979096056$ |
| Angle rank: | $1$ (numerical) |
| Number field: | \(\Q(\sqrt{-3}, \sqrt{-17})\) |
| Galois group: | $C_2^2$ |
| Jacobians: | $124$ |
| Cyclic group of points: | yes |
This isogeny class is simple but not 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $2253$ | $7995897$ | $22111095204$ | $62226765071289$ | $174904428582348573$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $42$ | $2848$ | $148518$ | $7886308$ | $418236042$ | $22164891838$ | $1174712175042$ | $62259692052676$ | $3299763740925294$ | $174887471173262368$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 124 curves (of which all are hyperelliptic):
- $y^2=17 x^6+49 x^5+30 x^4+19 x^3+3 x^2+52 x+10$
- $y^2=4 x^6+44 x^5+25 x^4+19 x^3+36 x^2+41 x+29$
- $y^2=50 x^6+36 x^5+20 x^4+32 x^3+50 x+12$
- $y^2=31 x^6+34 x^5+15 x^4+2 x^3+52 x^2+24 x+9$
- $y^2=12 x^6+46 x^5+25 x^4+47 x^3+28 x^2+39 x+19$
- $y^2=8 x^6+11 x^5+25 x^4+11 x^3+20 x^2+47 x+2$
- $y^2=8 x^6+29 x^5+45 x^4+25 x^3+20 x^2+19 x+8$
- $y^2=22 x^6+46 x^5+35 x^4+9 x^3+43 x^2+37 x+47$
- $y^2=49 x^6+18 x^5+33 x^4+33 x^3+21 x^2+6 x+51$
- $y^2=35 x^6+38 x^5+14 x^4+35 x^3+42 x^2+38 x+22$
- $y^2=18 x^6+48 x^5+52 x^4+15 x^3+10 x^2+25 x+47$
- $y^2=39 x^6+21 x^5+43 x^4+12 x^3+19 x^2+38 x+3$
- $y^2=13 x^6+35 x^5+38 x^4+4 x^3+44 x^2+42 x+3$
- $y^2=9 x^6+12 x^5+17 x^4+23 x^3+5 x^2+5 x+3$
- $y^2=43 x^6+11 x^5+51 x^4+16 x^3+31 x^2+12 x+9$
- $y^2=13 x^6+16 x^4+10 x^3+24 x^2+26 x+14$
- $y^2=23 x^6+11 x^5+45 x^4+23 x^3+48 x^2+3 x+37$
- $y^2=46 x^6+15 x^5+47 x^4+10 x^3+29 x^2+22 x+48$
- $y^2=30 x^6+40 x^5+3 x^4+21 x^3+42 x^2+29 x+14$
- $y^2=26 x^6+26 x^5+6 x^4+33 x^3+3 x^2+14 x+45$
- and 104 more
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{53^{3}}$.
Endomorphism algebra over $\F_{53}$| The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{-3}, \sqrt{-17})\). |
| The base change of $A$ to $\F_{53^{3}}$ is 1.148877.agy 2 and its endomorphism algebra is $\mathrm{M}_{2}($\(\Q(\sqrt{-17}) \)$)$ |
Base change
This is a primitive isogeny class.