Invariants
| Base field: | $\F_{59}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 62 x^{2} + 3481 x^{4}$ |
| Frobenius angles: | $\pm0.161953408751$, $\pm0.838046591249$ |
| Angle rank: | $1$ (numerical) |
| Number field: | \(\Q(\sqrt{5}, \sqrt{-14})\) |
| Galois group: | $C_2^2$ |
| Jacobians: | $250$ |
| Cyclic group of points: | no |
| Non-cyclic primes: | $2, 3$ |
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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $3420$ | $11696400$ | $42180942780$ | $146906035430400$ | $511116752776225500$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $60$ | $3358$ | $205380$ | $12123598$ | $714924300$ | $42181351918$ | $2488651484820$ | $146830466629918$ | $8662995818654940$ | $511116752251809598$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 250 curves (of which all are hyperelliptic):
- $y^2=19 x^6+52 x^5+55 x^4+23 x^3+14 x^2+55 x+45$
- $y^2=38 x^6+45 x^5+51 x^4+46 x^3+28 x^2+51 x+31$
- $y^2=21 x^6+57 x^5+57 x^4+55 x^3+26 x^2+4 x+55$
- $y^2=42 x^6+55 x^5+55 x^4+51 x^3+52 x^2+8 x+51$
- $y^2=17 x^6+44 x^5+20 x^4+26 x^3+7 x^2+10 x+53$
- $y^2=34 x^6+29 x^5+40 x^4+52 x^3+14 x^2+20 x+47$
- $y^2=2 x^6+4 x^5+x^4+15 x^3+40 x^2+20 x+39$
- $y^2=4 x^6+8 x^5+2 x^4+30 x^3+21 x^2+40 x+19$
- $y^2=16 x^6+x^5+48 x^4+46 x^3+58 x^2+20 x+13$
- $y^2=13 x^6+21 x^5+12 x^4+53 x^3+x^2+x+26$
- $y^2=26 x^6+42 x^5+24 x^4+47 x^3+2 x^2+2 x+52$
- $y^2=50 x^6+58 x^5+56 x^4+46 x^3+28 x^2+22 x+43$
- $y^2=41 x^6+57 x^5+53 x^4+33 x^3+56 x^2+44 x+27$
- $y^2=39 x^6+36 x^5+32 x^4+37 x^3+33 x^2+22 x$
- $y^2=19 x^6+13 x^5+5 x^4+15 x^3+7 x^2+44 x$
- $y^2=25 x^6+34 x^5+51 x^4+46 x^3+13 x^2+40 x+6$
- $y^2=5 x^6+23 x^5+28 x^4+40 x^3+32 x^2+18 x+14$
- $y^2=51 x^6+5 x^5+8 x^4+38 x^3+41 x^2+29 x+10$
- $y^2=30 x^6+20 x^5+16 x^4+22 x^3+17 x^2+58 x+14$
- $y^2=x^6+40 x^5+32 x^4+44 x^3+34 x^2+57 x+28$
- and 230 more
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{59^{2}}$.
Endomorphism algebra over $\F_{59}$| The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{5}, \sqrt{-14})\). |
| The base change of $A$ to $\F_{59^{2}}$ is 1.3481.ack 2 and its endomorphism algebra is $\mathrm{M}_{2}($\(\Q(\sqrt{-70}) \)$)$ |
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.a_ck | $4$ | (not in LMFDB) |