Invariants
| Base field: | $\F_{53}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 12 x + 118 x^{2} - 636 x^{3} + 2809 x^{4}$ |
| Frobenius angles: | $\pm0.230752796379$, $\pm0.475906917307$ |
| Angle rank: | $2$ (numerical) |
| Number field: | \(\Q(\sqrt{-38 +6 \sqrt{6}})\) |
| Galois group: | $D_{4}$ |
| Jacobians: | $182$ |
| Cyclic group of points: | no |
| Non-cyclic primes: | $2$ |
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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $2280$ | $8153280$ | $22255848360$ | $62260402867200$ | $174896297925047400$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $42$ | $2902$ | $149490$ | $7890574$ | $418216602$ | $22164734374$ | $1174711467426$ | $62259663465886$ | $3299763407891850$ | $174887470498059382$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 182 curves (of which all are hyperelliptic):
- $y^2=19 x^6+33 x^5+33 x^4+6 x^3+34 x^2+37 x+23$
- $y^2=9 x^6+24 x^5+41 x^4+13 x^3+32 x^2+8 x+45$
- $y^2=39 x^6+48 x^5+22 x^4+44 x^3+3 x^2+23 x+14$
- $y^2=35 x^6+24 x^5+44 x^4+22 x^3+8 x^2+22 x+52$
- $y^2=2 x^6+7 x^5+18 x^4+43 x^3+47 x^2+4 x+5$
- $y^2=41 x^6+2 x^5+40 x^4+49 x^3+35 x^2+38 x+11$
- $y^2=38 x^6+13 x^5+16 x^4+12 x^3+35 x^2+52 x+45$
- $y^2=22 x^6+44 x^5+18 x^4+22 x^3+15 x^2+14 x+22$
- $y^2=40 x^6+35 x^5+16 x^4+4 x^3+6 x^2+15 x+11$
- $y^2=32 x^6+35 x^5+40 x^4+40 x^3+25 x^2+25 x+29$
- $y^2=8 x^6+46 x^5+37 x^4+14 x^3+27 x^2+27 x$
- $y^2=4 x^6+18 x^5+25 x^4+29 x^3+24 x^2+26 x+5$
- $y^2=3 x^6+34 x^5+36 x^4+20 x^3+3 x^2+41 x+39$
- $y^2=48 x^6+41 x^5+4 x^4+36 x^3+9 x^2+1$
- $y^2=4 x^6+3 x^5+6 x^4+31 x^3+34 x^2+8 x+23$
- $y^2=16 x^5+35 x^4+41 x^3+3 x+25$
- $y^2=6 x^6+34 x^5+34 x^4+42 x^3+41 x^2+44 x+10$
- $y^2=51 x^6+7 x^5+40 x^4+21 x^3+40 x^2+7 x+8$
- $y^2=29 x^6+44 x^5+37 x^4+52 x^3+49 x^2+10 x+32$
- $y^2=29 x^6+21 x^5+29 x^4+34 x^3+10 x^2+17 x+1$
- and 162 more
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 \(\Q(\sqrt{-38 +6 \sqrt{6}})\). |
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.m_eo | $2$ | (not in LMFDB) |