Invariants
Base field: | $\F_{2^{10}}$ |
Dimension: | $2$ |
L-polynomial: | $1 - 121 x + 5703 x^{2} - 123904 x^{3} + 1048576 x^{4}$ |
Frobenius angles: | $\pm0.0619615785169$, $\pm0.136456221421$ |
Angle rank: | $2$ (numerical) |
Number field: | 4.0.47833065.2 |
Galois group: | $D_{4}$ |
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
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
---|---|---|---|---|---|
$A(\F_{q^r})$ | $930255$ | $1096124117775$ | $1152843034413295260$ | $1208924508955637761402875$ | $1267650598662766665032730330525$ |
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
---|---|---|---|---|---|---|---|---|---|---|
$C(\F_{q^r})$ | $904$ | $1045342$ | $1073668741$ | $1099510435738$ | $1125899905452214$ | $1152921505573549087$ | $1180591620771247500796$ | $1208925819616707918456658$ | $1237940039285446011269167789$ | $1267650600228231157381436844502$ |
Jacobians and polarizations
This isogeny class contains a Jacobian, and hence is principally polarizable.
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{2^{10}}$.
Endomorphism algebra over $\F_{2^{10}}$The endomorphism algebra of this simple isogeny class is 4.0.47833065.2. |
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 |
---|---|---|
2.1024.er_ilj | $2$ | (not in LMFDB) |