Invariants
Base field: | $\F_{53}$ |
Dimension: | $2$ |
L-polynomial: | $1 - 22 x + 221 x^{2} - 1166 x^{3} + 2809 x^{4}$ |
Frobenius angles: | $\pm0.125136993969$, $\pm0.300209973469$ |
Angle rank: | $2$ (numerical) |
Number field: | 4.0.2488896.4 |
Galois group: | $D_{4}$ |
Jacobians: | $6$ |
Isomorphism classes: | 6 |
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
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
---|---|---|---|---|---|
$A(\F_{q^r})$ | $1843$ | $7775617$ | $22229949004$ | $62295576367369$ | $174893994213097123$ |
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
---|---|---|---|---|---|---|---|---|---|---|
$C(\F_{q^r})$ | $32$ | $2768$ | $149318$ | $7895028$ | $418211092$ | $22164330638$ | $1174711086532$ | $62259701394916$ | $3299763765852494$ | $174887471790752768$ |
Jacobians and polarizations
This isogeny class contains the Jacobians of 6 curves (of which all are hyperelliptic), and hence is principally polarizable:
- $y^2=12x^6+24x^5+14x^4+5x^3+35x^2+35x+37$
- $y^2=25x^6+26x^5+28x^4+8x^3+40x^2+19x+30$
- $y^2=44x^6+17x^5+21x^4+20x^3+48x^2+36x+47$
- $y^2=x^6+8x^5+4x^4+25x^3+4x^2+48x+51$
- $y^2=39x^6+19x^5+27x^4+13x^3+27x^2+8x+30$
- $y^2=31x^6+7x^5+52x^4+10x^3+43x^2+52x+14$
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{53}$.
Endomorphism algebra over $\F_{53}$The endomorphism algebra of this simple isogeny class is 4.0.2488896.4. |
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 |
---|---|---|
2.53.w_in | $2$ | (not in LMFDB) |