Invariants
| Base field: | $\F_{53}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 + 6 x + 25 x^{2} + 318 x^{3} + 2809 x^{4}$ |
| Frobenius angles: | $\pm0.353019698972$, $\pm0.828044898048$ |
| Angle rank: | $2$ (numerical) |
| Number field: | \(\Q(\sqrt{-113 -18 \sqrt{10}})\) |
| Galois group: | $D_{4}$ |
| Jacobians: | $126$ |
| Cyclic group of points: | no |
| Non-cyclic primes: | $3$ |
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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $3159$ | $7932249$ | $22271821884$ | $62296464846681$ | $174859347001583439$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $60$ | $2824$ | $149598$ | $7895140$ | $418128240$ | $22164379918$ | $1174709204736$ | $62259709854724$ | $3299763706461414$ | $174887469754060264$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 126 curves (of which all are hyperelliptic):
- $y^2=14 x^6+40 x^5+x^4+10 x^3+36 x^2+51 x+33$
- $y^2=23 x^6+15 x^5+20 x^4+24 x^3+40 x^2+30 x+22$
- $y^2=8 x^6+42 x^5+12 x^4+8 x^3+19 x^2+28 x+44$
- $y^2=9 x^6+36 x^5+4 x^4+25 x^3+20 x^2+19 x+17$
- $y^2=47 x^6+35 x^5+30 x^4+49 x^3+36 x^2+26 x+31$
- $y^2=4 x^6+18 x^5+17 x^4+49 x^3+17$
- $y^2=42 x^6+3 x^5+39 x^4+41 x^3+46 x^2+39 x+49$
- $y^2=19 x^6+16 x^5+13 x^4+31 x^3+47 x^2+14 x+47$
- $y^2=52 x^6+23 x^5+44 x^4+21 x^3+51 x^2+6 x+43$
- $y^2=17 x^6+17 x^5+48 x^4+46 x^3+34 x^2+39 x+14$
- $y^2=31 x^6+40 x^5+20 x^4+45 x^3+44 x^2+2 x+38$
- $y^2=14 x^6+30 x^5+40 x^4+48 x^3+31 x^2+13 x+9$
- $y^2=17 x^6+32 x^5+4 x^4+22 x^3+19 x^2+6 x+33$
- $y^2=4 x^6+34 x^5+37 x^4+18 x^3+33 x^2+3 x+39$
- $y^2=25 x^6+36 x^5+47 x^4+36 x^3+46 x^2+47 x+38$
- $y^2=36 x^6+8 x^5+3 x^4+34 x^3+3 x^2+27 x+33$
- $y^2=42 x^6+32 x^5+35 x^4+9 x^3+18 x^2+20 x+36$
- $y^2=43 x^6+14 x^5+35 x^4+21 x^3+3 x^2+26 x+26$
- $y^2=42 x^6+23 x^5+13 x^4+48 x^3+45 x^2+7 x+45$
- $y^2=15 x^6+47 x^5+16 x^4+14 x^3+50 x^2+23 x+4$
- and 106 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 \(\Q(\sqrt{-113 -18 \sqrt{10}})\). |
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.ag_z | $2$ | (not in LMFDB) |