Invariants
Base field: | $\F_{193}$ |
Dimension: | $2$ |
L-polynomial: | $1 - 48 x + 955 x^{2} - 9264 x^{3} + 37249 x^{4}$ |
Frobenius angles: | $\pm0.0914626496846$, $\pm0.220975467824$ |
Angle rank: | $2$ (numerical) |
Number field: | 4.0.15360912.1 |
Galois group: | $D_{4}$ |
Jacobians: | $24$ |
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
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
---|---|---|---|---|---|
$A(\F_{q^r})$ | $28893$ | $1372908681$ | $51676334413524$ | $1925177234878552761$ | $71709130057453807360773$ |
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
---|---|---|---|---|---|---|---|---|---|---|
$C(\F_{q^r})$ | $146$ | $36856$ | $7188194$ | $1387527124$ | $267786025106$ | $51682550223526$ | $9974730381908690$ | $1925122952696370148$ | $371548729907588680418$ | $71708904873371922778696$ |
Jacobians and polarizations
This isogeny class contains the Jacobians of 24 curves (of which all are hyperelliptic), and hence is principally polarizable:
- $y^2=40x^6+115x^5+24x^4+141x^3+186x^2+12x+70$
- $y^2=106x^6+77x^5+38x^4+22x^3+127x^2+141x+132$
- $y^2=2x^6+118x^5+32x^4+3x^3+19x^2+96x+149$
- $y^2=102x^6+17x^5+129x^4+165x^3+85x^2+190x+140$
- $y^2=91x^6+154x^5+6x^4+15x^3+165x^2+59x+54$
- $y^2=102x^6+144x^5+157x^4+16x^3+171x^2+44x+7$
- $y^2=150x^6+43x^5+86x^4+54x^3+31x^2+63x+30$
- $y^2=152x^6+65x^5+35x^4+113x^3+91x^2+130x+135$
- $y^2=111x^6+84x^5+25x^4+175x^3+134x^2+162x+146$
- $y^2=10x^6+110x^5+136x^4+46x^3+156x^2+125x+66$
- $y^2=88x^6+70x^5+165x^4+15x^3+136x^2+109x+150$
- $y^2=138x^6+51x^5+181x^4+101x^3+141x^2+111x+13$
- $y^2=111x^6+83x^5+6x^4+169x^3+156x^2+73x+130$
- $y^2=10x^6+14x^5+127x^4+113x^3+141x^2+143x+37$
- $y^2=69x^6+22x^5+151x^4+133x^3+104x^2+65x+16$
- $y^2=17x^6+130x^5+189x^4+186x^3+126x^2+107x+65$
- $y^2=187x^6+47x^5+12x^4+89x^3+52x^2+188x+141$
- $y^2=93x^6+144x^5+185x^4+149x^3+147x^2+10x+119$
- $y^2=45x^6+56x^5+143x^4+30x^3+107x^2+68x+10$
- $y^2=66x^6+178x^5+41x^4+106x^3+146x^2+47x+134$
- $y^2=51x^6+14x^5+101x^4+64x^3+181x^2+122x+157$
- $y^2=44x^6+132x^5+x^4+39x^3+138x^2+105x+18$
- $y^2=61x^6+123x^5+65x^4+62x^3+65x^2+80x+153$
- $y^2=81x^6+45x^5+151x^4+170x^3+24x^2+97x+44$
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{193}$.
Endomorphism algebra over $\F_{193}$The endomorphism algebra of this simple isogeny class is 4.0.15360912.1. |
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 |
---|---|---|
2.193.bw_bkt | $2$ | (not in LMFDB) |