Invariants
| Base field: | $\F_{79}$ |
| Dimension: | $2$ |
| L-polynomial: | $1 - 12 x + 182 x^{2} - 948 x^{3} + 6241 x^{4}$ |
| Frobenius angles: | $\pm0.321291249836$, $\pm0.454435923425$ |
| Angle rank: | $2$ (numerical) |
| Number field: | 4.0.2523456.1 |
| Galois group: | $D_{4}$ |
| Jacobians: | $112$ |
| 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
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|
| $A(\F_{q^r})$ | $5464$ | $40346176$ | $244065476632$ | $1517003952362496$ | $9467940039948342424$ |
| $r$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
|---|---|---|---|---|---|---|---|---|---|---|
| $C(\F_{q^r})$ | $68$ | $6462$ | $495020$ | $38947390$ | $3076947188$ | $243087138942$ | $19203910154588$ | $1517108794813054$ | $119851595970316580$ | $9468276088309690302$ |
Jacobians and polarizations
This isogeny class is principally polarizable and contains the Jacobians of 112 curves (of which all are hyperelliptic):
- $y^2=29 x^6+27 x^5+38 x^4+14 x^3+45 x^2+8 x+30$
- $y^2=62 x^6+26 x^5+15 x^4+38 x^3+67 x^2+39 x+1$
- $y^2=37 x^6+33 x^5+58 x^4+59 x^3+4 x^2+32 x+50$
- $y^2=38 x^6+35 x^5+13 x^4+33 x^3+30 x^2+5 x+63$
- $y^2=59 x^6+55 x^5+12 x^4+70 x^3+69 x^2+31 x+77$
- $y^2=43 x^6+17 x^5+4 x^4+8 x^3+44 x^2+53 x+12$
- $y^2=40 x^6+2 x^5+66 x^4+32 x^3+67 x^2+56 x+66$
- $y^2=14 x^6+73 x^5+41 x^4+16 x^3+13 x^2+3 x+71$
- $y^2=51 x^6+74 x^5+34 x^4+64 x^3+54 x^2+18 x+73$
- $y^2=x^6+13 x^5+33 x^4+6 x^3+37 x+47$
- $y^2=72 x^6+68 x^4+16 x^3+59 x^2+58 x+65$
- $y^2=59 x^6+39 x^5+53 x^4+36 x^3+20 x^2+54 x+10$
- $y^2=16 x^6+57 x^5+57 x^4+7 x^3+33 x^2+57 x+11$
- $y^2=57 x^6+20 x^5+25 x^3+57 x^2+23 x+23$
- $y^2=14 x^6+9 x^5+40 x^4+27 x^3+45 x^2+18 x+3$
- $y^2=8 x^6+6 x^5+16 x^4+5 x^3+16 x^2+53 x+5$
- $y^2=26 x^6+8 x^5+32 x^4+26 x^2+33 x+47$
- $y^2=66 x^6+58 x^5+55 x^4+29 x^3+68 x^2+5 x+74$
- $y^2=61 x^6+7 x^5+15 x^4+30 x^3+34 x^2+8 x+28$
- $y^2=11 x^6+47 x^5+57 x^4+36 x^3+43 x^2+60 x+27$
- and 92 more
Decomposition and endomorphism algebra
All geometric endomorphisms are defined over $\F_{79}$.
Endomorphism algebra over $\F_{79}$| The endomorphism algebra of this simple isogeny class is 4.0.2523456.1. |
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 |
|---|---|---|
| 2.79.m_ha | $2$ | (not in LMFDB) |