Abelian variety isogeny class 2.47.ah_bo over $\F_{47}$

• Label: 2.47.ah_bo
• Base field: $\F_{47}$
• 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:	$\F_{47}$
Dimension:	$2$
L-polynomial:	$1 - 7 x + 40 x^{2} - 329 x^{3} + 2209 x^{4}$
Frobenius angles:	$\pm0.177270673443$, $\pm0.609873430705$
Angle rank:	$2$ (numerical)
Number field:	4.0.614047400.1
Galois group:	$D_{4}$
Jacobians:	$46$
Isomorphism classes:	92

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

$r$	$1$	$2$	$3$	$4$	$5$
$A(\F_{q^r})$	$1914$	$4949604$	$10728513576$	$23820385016736$	$52612505045733534$

Point counts of the curve

$r$	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
$C(\F_{q^r})$	$41$	$2241$	$103334$	$4881545$	$229403311$	$10779319242$	$506623211065$	$23811298205809$	$1119130455682778$	$52599131452394361$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 46 curves (of which all are hyperelliptic):

• $y^2=46 x^6+2 x^5+44 x^4+4 x^3+45 x^2+44 x+43$
• $y^2=12 x^6+31 x^5+17 x^4+46 x^3+33 x^2+5 x+34$
• $y^2=38 x^6+5 x^5+32 x^4+22 x^3+14 x^2+6 x+25$
• $y^2=38 x^6+31 x^5+5 x^4+24 x^3+6 x^2+x+18$
• $y^2=22 x^6+8 x^5+8 x^4+25 x^3+2 x^2+18 x+13$
• $y^2=19 x^6+2 x^5+22 x^4+25 x^3+41 x^2+29 x+38$
• $y^2=20 x^6+18 x^5+20 x^4+20 x^3+25 x^2+44 x+39$
• $y^2=25 x^6+27 x^5+13 x^4+37 x^3+14 x^2+10 x+2$
• $y^2=46 x^6+19 x^5+x^4+37 x^3+8 x^2+11 x+31$
• $y^2=14 x^6+4 x^5+24 x^4+31 x^3+3 x^2+24 x+23$
• $y^2=18 x^5+25 x^4+40 x^3+19 x^2+6 x+18$
• $y^2=11 x^6+46 x^5+4 x^4+x^2+38$
• $y^2=15 x^6+16 x^5+10 x^4+38 x^3+43 x^2+30 x+22$
• $y^2=4 x^6+24 x^5+28 x^4+28 x^3+37 x^2+23 x+6$
• $y^2=14 x^6+28 x^5+x^4+30 x^3+18 x^2+19 x+19$
• $y^2=3 x^6+36 x^5+5 x^4+21 x^3+12 x^2+9 x+28$
• $y^2=27 x^6+5 x^5+27 x^4+2 x^3+43 x^2+2 x+36$
• $y^2=19 x^6+21 x^5+4 x^4+8 x^3+17 x^2+4 x+35$
• $y^2=36 x^6+34 x^5+19 x^4+37 x^3+46 x^2+20 x+41$
• $y^2=5 x^6+13 x^5+6 x^4+13 x^3+28 x^2+34 x+20$
• and

• $y^2=28 x^6+43 x^5+13 x^4+40 x^3+32 x^2+40 x+11$
• $y^2=18 x^6+34 x^5+x^4+4 x^3+x^2+7 x+39$
• $y^2=9 x^6+24 x^5+23 x^4+31 x^3+38 x^2+21 x+22$
• $y^2=44 x^6+4 x^5+20 x^4+33 x^3+15 x^2+25 x+45$
• $y^2=13 x^6+20 x^5+10 x^4+2 x^3+36 x^2+24 x+23$
• $y^2=43 x^6+27 x^5+4 x^4+39 x^3+5 x^2+20$
• $y^2=33 x^6+27 x^5+23 x^4+12 x^3+43 x^2+23 x+29$
• $y^2=10 x^6+16 x^5+14 x^4+3 x^3+14 x^2+28 x+31$
• $y^2=40 x^6+11 x^5+13 x^3+15 x^2+21 x+46$
• $y^2=45 x^6+15 x^5+24 x^4+6 x^3+8 x^2+35 x+39$
• $y^2=16 x^6+38 x^5+40 x^4+33 x^3+26 x^2+22 x+1$
• $y^2=23 x^6+45 x^5+45 x^4+45 x^3+39 x^2+45 x+4$
• $y^2=46 x^6+30 x^5+20 x^4+2 x^3+11 x^2+37$
• $y^2=11 x^6+20 x^5+22 x^4+10 x^3+15 x^2+5 x+32$
• $y^2=20 x^6+2 x^5+7 x^4+42 x^3+32 x^2+22 x+18$
• $y^2=4 x^6+20 x^5+42 x^4+39 x^3+28 x^2+16 x+28$
• $y^2=4 x^6+17 x^5+46 x^4+45 x^3+21 x^2+28 x+25$
• $y^2=45 x^6+18 x^5+30 x^4+27 x^3+42 x^2+40 x+19$
• $y^2=x^5+6 x^4+29 x^3+38 x^2+42 x+39$
• $y^2=29 x^6+46 x^5+x^4+22 x^3+30 x^2+8 x+30$
• $y^2=x^6+27 x^5+26 x^4+13 x^3+17 x^2+22 x+18$
• $y^2=45 x^6+26 x^5+14 x^4+x^3+x^2+25 x+45$
• $y^2=3 x^6+25 x^5+23 x^4+37 x^3+16 x^2+16 x+20$
• $y^2=43 x^6+43 x^5+44 x^4+19 x^3+34 x^2+2 x+31$
• $y^2=4 x^6+38 x^5+27 x^4+39 x^3+37 x^2+33 x+6$
• $y^2=3 x^6+15 x^5+38 x^4+18 x^3+17 x^2+30 x+35$

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{47}$.

Endomorphism algebra over $\F_{47}$

The endomorphism algebra of this simple isogeny class is 4.0.614047400.1.

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
2.47.h_bo	$2$	(not in LMFDB)