Invariants
| Base field: | $\F_{463}$ |
| Dimension: | $1$ |
| L-polynomial: | $1 - 8 x + 463 x^{2}$ |
| Frobenius angles: | $\pm0.440481322678$ |
| Angle rank: | $1$ (numerical) |
| Number field: | \(\Q(\sqrt{-447}) \) |
| Galois group: | $C_2$ |
| Jacobians: | $28$ |
| Isomorphism classes: | 28 |
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: | $1$ |
| Slopes: | $[0, 1]$ |
Point counts
Point counts of the abelian variety
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $456$ | $215232$ | $99263448$ | $45953753856$ | $21276726136296$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $456$ | $215232$ | $99263448$ | $45953753856$ | $21276726136296$ | $9851127723751104$ | $4561072100336970744$ | $2111776380538953796608$ | $977752464190755881314824$ | $452699390921217335710026432$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 28 curves (of which 0 are hyperelliptic):
- $y^2=x^3+87 x+261$
- $y^2=x^3+257 x+308$
- $y^2=x^3+181 x+80$
- $y^2=x^3+173 x+56$
- $y^2=x^3+195 x+195$
- $y^2=x^3+77 x+77$
- $y^2=x^3+77 x+231$
- $y^2=x^3+6 x+18$
- $y^2=x^3+104 x+104$
- $y^2=x^3+150 x+150$
- $y^2=x^3+431 x+431$
- $y^2=x^3+197 x+197$
- $y^2=x^3+190 x+190$
- $y^2=x^3+458 x+458$
- $y^2=x^3+325 x+49$
- $y^2=x^3+382 x+382$
- $y^2=x^3+335 x+79$
- $y^2=x^3+344 x+106$
- $y^2=x^3+263 x+263$
- $y^2=x^3+79 x+79$
- $y^2=x^3+462 x+462$
- $y^2=x^3+187 x+98$
- $y^2=x^3+345 x+109$
- $y^2=x^3+444 x+444$
- $y^2=x^3+117 x+351$
- $y^2=x^3+374 x+196$
- $y^2=x^3+49 x+147$
- $y^2=x^3+236 x+245$
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{463}$.
Endomorphism algebra over $\F_{463}$| The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{-447}) \). |
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 |
|---|---|---|
| 1.463.i | $2$ | (not in LMFDB) |