Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 + 8 x + 110 x^{2} + 472 x^{3} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.481362309860$, $\pm0.696663953339$ |
| Angle rank: | $2$ (numerical) |
| Number field: | \(\Q(\sqrt{-49 +4 \sqrt{6}})\) |
| Galois group: | $D_{4}$ |
| Jacobians: | $112$ |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $4072$ | $12672064$ | $42034575976$ | $146814478443520$ | $511107723763504552$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $68$ | $3638$ | $204668$ | $12116046$ | $714911668$ | $42180572486$ | $2488655663212$ | $146830410447646$ | $8662995601922852$ | $511116755914315478$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 112 curves (of which all are hyperelliptic):
- $y^2=54 x^6+49 x^5+27 x^4+26 x^3+55 x^2+50 x+50$
- $y^2=3 x^6+56 x^5+55 x^4+32 x^3+48 x^2+17 x+8$
- $y^2=20 x^6+32 x^5+34 x^4+44 x^2+x$
- $y^2=41 x^6+14 x^5+11 x^4+31 x^3+4 x^2+8 x+33$
- $y^2=39 x^6+51 x^5+30 x^4+50 x^3+54 x^2+45 x+51$
- $y^2=12 x^6+21 x^5+43 x^4+49 x^3+24 x^2+11 x+46$
- $y^2=4 x^6+31 x^5+28 x^4+38 x^3+45 x^2+54 x$
- $y^2=45 x^6+18 x^5+57 x^4+3 x^3+12 x^2+52 x+53$
- $y^2=8 x^6+49 x^5+37 x^4+15 x^3+6 x^2+30 x+47$
- $y^2=39 x^6+26 x^5+33 x^4+22 x^3+3 x^2+21 x+36$
- $y^2=26 x^6+45 x^5+16 x^4+24 x^3+58 x^2+x+16$
- $y^2=28 x^6+35 x^5+19 x^4+8 x^3+43 x^2+19 x+41$
- $y^2=30 x^6+2 x^5+3 x^4+54 x^3+48 x^2+35 x+41$
- $y^2=47 x^6+2 x^5+46 x^4+38 x^3+33 x^2+14 x$
- $y^2=35 x^6+27 x^5+48 x^4+17 x^3+38 x^2+6 x+39$
- $y^2=24 x^6+58 x^5+7 x^4+33 x^3+51 x^2+41 x+24$
- $y^2=23 x^6+51 x^5+35 x^4+25 x^3+11 x^2+41 x+51$
- $y^2=36 x^6+27 x^5+29 x^4+38 x^3+38 x^2+31 x+56$
- $y^2=24 x^6+58 x^5+11 x^4+31 x^3+9 x^2+26 x+58$
- $y^2=19 x^5+12 x^4+41 x^3+52 x^2+49 x+5$
- and 92 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 \(\Q(\sqrt{-49 +4 \sqrt{6}})\). |
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.ai_eg | $2$ | (not in LMFDB) |