Abelian variety isogeny class 2.37.ao_dz over $\F_{37}$

• Label: 2.37.ao_dz
• Base field: $\F_{37}$
• Dimension: $2$
• $p$-rank: $2$
• Ordinary: yes
• Supersingular: no
• Simple: yes
• Geometrically simple: yes
• Primitive: yes
• Principally polarizable: yes
• Contains a Jacobian: yes

Invariants

Base field:	$\F_{37}$
Dimension:	$2$
L-polynomial:	$1 - 14 x + 103 x^{2} - 518 x^{3} + 1369 x^{4}$
Frobenius angles:	$\pm0.107987345373$, $\pm0.433373211955$
Angle rank:	$2$ (numerical)
Number field:	4.0.58025.1
Galois group:	$D_{4}$
Jacobians:	$32$
Isomorphism classes:	32

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

$r$	$1$	$2$	$3$	$4$	$5$
$A(\F_{q^r})$	$941$	$1886705$	$2567183504$	$3507960040025$	$4807729192679181$

Point counts of the curve

$r$	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
$C(\F_{q^r})$	$24$	$1380$	$50682$	$1871748$	$69331624$	$2565803190$	$94932933672$	$3512483252868$	$129961740814194$	$4808584437568900$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 32 curves (of which all are hyperelliptic):

• $y^2=22 x^6+35 x^5+2 x^4+2 x^3+33 x^2+6$
• $y^2=21 x^6+22 x^5+14 x^4+x^3+34 x^2+12 x+13$
• $y^2=6 x^6+27 x^5+3 x^4+31 x^3+3 x^2+11 x+18$
• $y^2=x^6+23 x^5+27 x^4+8 x^3+28 x+32$
• $y^2=3 x^6+5 x^5+2 x^4+34 x^3+29 x^2+4 x+14$
• $y^2=18 x^6+10 x^5+3 x^4+x^3+23 x^2+21 x+1$
• $y^2=13 x^6+35 x^5+30 x^4+20 x^3+17 x^2+5 x+22$
• $y^2=13 x^6+34 x^5+x^4+19 x^3+28 x^2+27 x+24$
• $y^2=36 x^6+9 x^5+16 x^3+19 x^2+24 x+25$
• $y^2=5 x^6+19 x^5+33 x^4+26 x^3+35 x^2+2 x+6$
• $y^2=18 x^6+10 x^5+2 x^4+31 x^3+23 x^2+22$
• $y^2=28 x^6+13 x^5+24 x^4+19 x^3+23 x^2+10 x+16$
• $y^2=16 x^6+26 x^5+2 x^4+x^3+21 x^2+10 x+18$
• $y^2=21 x^6+30 x^4+27 x^3+34 x^2+22 x+16$
• $y^2=15 x^6+11 x^5+23 x^4+27 x^3+18 x^2+20 x+17$
• $y^2=28 x^6+6 x^5+25 x^4+21 x^3+23 x^2+18$
• $y^2=6 x^6+10 x^5+8 x^4+28 x^3+25 x^2+31 x+32$
• $y^2=9 x^6+28 x^5+29 x^4+33 x^3+8 x^2+11 x+23$
• $y^2=16 x^6+6 x^5+9 x^4+20 x^3+32 x^2+28 x+14$
• $y^2=19 x^6+15 x^5+5 x^4+35 x^3+16 x^2+17 x+32$
• and

• $y^2=8 x^6+29 x^5+33 x^4+6 x^3+23 x^2+2 x+14$
• $y^2=x^6+7 x^5+11 x^4+4 x^3+32 x^2+5 x+1$
• $y^2=x^6+15 x^5+25 x^4+5 x^3+7 x^2+12 x+22$
• $y^2=11 x^6+18 x^5+31 x^4+30 x^3+22 x^2+16 x+31$
• $y^2=14 x^6+23 x^5+33 x^4+27 x^3+10 x^2+9 x+5$
• $y^2=16 x^6+26 x^5+6 x^4+28 x^3+23 x^2+4 x+2$
• $y^2=13 x^6+35 x^5+26 x^4+33 x^3+8 x^2+23 x+24$
• $y^2=x^6+x^5+28 x^4+25 x^3+27 x^2+7 x+4$
• $y^2=29 x^6+33 x^5+15 x^4+13 x^3+21 x^2+29 x+32$
• $y^2=29 x^6+9 x^5+x^4+14 x^3+7 x^2+15 x+23$
• $y^2=29 x^6+11 x^5+30 x^4+30 x^3+8 x^2+10 x+19$
• $y^2=33 x^6+13 x^5+23 x^4+33 x^3+29 x^2+36 x+20$

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{37}$.

Endomorphism algebra over $\F_{37}$

The endomorphism algebra of this simple isogeny class is 4.0.58025.1.

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
2.37.o_dz	$2$	(not in LMFDB)