Invariants
Base field: | $\F_{2}$ |
Dimension: | $6$ |
L-polynomial: | $1 - 4 x^{3} + 8 x^{6} - 32 x^{9} + 64 x^{12}$ |
Frobenius angles: | $\pm0.0277777777778$, $\pm0.194444444444$, $\pm0.472222222222$, $\pm0.638888888889$, $\pm0.694444444444$, $\pm0.861111111111$ |
Angle rank: | $0$ (numerical) |
Number field: | \(\Q(\zeta_{36})\) |
Galois group: | $C_6\times C_2$ |
Jacobians: | $0$ |
This isogeny class is simple but not geometrically simple, primitive, not ordinary, and supersingular. It is principally polarizable.
Newton polygon
This isogeny class is supersingular.
$p$-rank: | $0$ |
Slopes: | $[1/2, 1/2, 1/2, 1/2, 1/2, 1/2, 1/2, 1/2, 1/2, 1/2, 1/2, 1/2]$ |
Point counts
Point counts of the abelian variety
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
---|---|---|---|---|---|
$A(\F_{q^r})$ | $37$ | $4033$ | $50653$ | $16265089$ | $1082163457$ |
Point counts of the (virtual) curve
$r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
---|---|---|---|---|---|---|---|---|---|---|
$C(\F_{q^r})$ | $3$ | $5$ | $-3$ | $17$ | $33$ | $65$ | $129$ | $257$ | $321$ | $1025$ |
Jacobians and polarizations
This isogeny class is principally polarizable, but does not contain a Jacobian.
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{2^{36}}$.
Endomorphism algebra over $\F_{2}$The endomorphism algebra of this simple isogeny class is \(\Q(\zeta_{36})\). |
The base change of $A$ to $\F_{2^{36}}$ is 1.68719476736.bdvoy 6 and its endomorphism algebra is $\mathrm{M}_{6}(B)$, where $B$ is the quaternion algebra over \(\Q\) ramified at $2$ and $\infty$. |
- Endomorphism algebra over $\F_{2^{2}}$
The base change of $A$ to $\F_{2^{2}}$ is the simple isogeny class 6.4.a_a_a_a_a_acm and its endomorphism algebra is \(\Q(\zeta_{36})\). - Endomorphism algebra over $\F_{2^{3}}$
The base change of $A$ to $\F_{2^{3}}$ is 2.8.ae_i 3 and its endomorphism algebra is $\mathrm{M}_{3}($\(\Q(\zeta_{12})\)$)$ - Endomorphism algebra over $\F_{2^{4}}$
The base change of $A$ to $\F_{2^{4}}$ is 3.16.a_a_acm 2 and its endomorphism algebra is $\mathrm{M}_{2}($\(\Q(\zeta_{9})\)$)$ - Endomorphism algebra over $\F_{2^{6}}$
The base change of $A$ to $\F_{2^{6}}$ is 2.64.a_acm 3 and its endomorphism algebra is $\mathrm{M}_{3}($\(\Q(\zeta_{12})\)$)$ - Endomorphism algebra over $\F_{2^{9}}$
The base change of $A$ to $\F_{2^{9}}$ is 1.512.abg 6 and its endomorphism algebra is $\mathrm{M}_{6}($\(\Q(\sqrt{-1}) \)$)$ - Endomorphism algebra over $\F_{2^{12}}$
The base change of $A$ to $\F_{2^{12}}$ is 1.4096.acm 6 and its endomorphism algebra is $\mathrm{M}_{6}($\(\Q(\sqrt{-3}) \)$)$ - Endomorphism algebra over $\F_{2^{18}}$
The base change of $A$ to $\F_{2^{18}}$ is 1.262144.a 6 and its endomorphism algebra is $\mathrm{M}_{6}($\(\Q(\sqrt{-1}) \)$)$
Base change
This is a primitive isogeny class.