Invariants
Base field: | $\F_{113}$ |
Dimension: | $2$ |
L-polynomial: | $1 - 37 x + 563 x^{2} - 4181 x^{3} + 12769 x^{4}$ |
Frobenius angles: | $\pm0.0669838825484$, $\pm0.224024016429$ |
Angle rank: | $2$ (numerical) |
Number field: | 4.0.1646253.1 |
Galois group: | $D_{4}$ |
Jacobians: | $10$ |
Isomorphism classes: | 10 |
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
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
---|---|---|---|---|---|
$A(\F_{q^r})$ | $9115$ | $159977365$ | $2080937883355$ | $26585612034553525$ | $339458909531147297200$ |
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
---|---|---|---|---|---|---|---|---|---|---|
$C(\F_{q^r})$ | $77$ | $12527$ | $1442195$ | $163054539$ | $18424469602$ | $2081952234479$ | $235260538531711$ | $26584441706699251$ | $3004041935623043825$ | $339456738984121259582$ |
Jacobians and polarizations
This isogeny class contains the Jacobians of 10 curves (of which all are hyperelliptic), and hence is principally polarizable:
- $y^2=10x^6+19x^5+51x^4+30x^3+4x^2+72x+9$
- $y^2=78x^6+52x^5+36x^4+25x^3+16x^2+92x+16$
- $y^2=17x^6+52x^5+44x^4+93x^3+77x^2+102x+107$
- $y^2=104x^6+106x^5+71x^4+67x^3+12x^2+104x+78$
- $y^2=42x^6+104x^5+79x^4+8x^3+86x^2+73x+55$
- $y^2=15x^6+23x^5+108x^4+84x^3+110x^2+107x+29$
- $y^2=12x^6+4x^5+45x^4+26x^3+x^2+24x+25$
- $y^2=67x^6+53x^5+34x^4+105x^3+103x^2+14x+39$
- $y^2=25x^6+45x^5+104x^4+62x^3+57x^2+68x+107$
- $y^2=91x^6+44x^5+16x^4+6x^3+x^2+55x+107$
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{113}$.
Endomorphism algebra over $\F_{113}$The endomorphism algebra of this simple isogeny class is 4.0.1646253.1. |
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 |
---|---|---|
2.113.bl_vr | $2$ | (not in LMFDB) |