Abelian variety isogeny class 2.53.a_acc over $\F_{53}$

• Label: 2.53.a_acc
• Base field: $\F_{53}$
• Dimension: $2$
• $p$-rank: $2$
• Ordinary: yes
• Supersingular: no
• Simple: yes
• Geometrically simple: no
• Primitive: yes
• Principally polarizable: yes
• Contains a Jacobian: yes

Invariants

Base field:	$\F_{53}$
Dimension:	$2$
L-polynomial:	$1 - 54 x^{2} + 2809 x^{4}$
Frobenius angles:	$\pm0.164927406649$, $\pm0.835072593351$
Angle rank:	$1$ (numerical)
Number field:	\(\Q(\sqrt{10}, \sqrt{-13})\)
Galois group:	$C_2^2$
Jacobians:	$46$
Isomorphism classes:	168

This isogeny class is simple but not 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

$r$	$1$	$2$	$3$	$4$	$5$
$A(\F_{q^r})$	$2756$	$7595536$	$22164658724$	$62302353657856$	$174887469987500036$

Point counts of the curve

$r$	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
$C(\F_{q^r})$	$54$	$2702$	$148878$	$7895886$	$418195494$	$22164956318$	$1174711139838$	$62259707371678$	$3299763591802134$	$174887469609487022$

Jacobians and polarizations

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

• $y^2=6 x^6+30 x^5+21 x^4+50 x^3+15 x^2+26 x+6$
• $y^2=43 x^6+x^5+45 x^4+10 x^3+11 x^2+11 x+11$
• $y^2=46 x^6+16 x^5+21 x^4+48 x^3+48 x^2+35 x+8$
• $y^2=39 x^6+32 x^5+42 x^4+43 x^3+43 x^2+17 x+16$
• $y^2=40 x^6+14 x^5+21 x^3+19 x+21$
• $y^2=33 x^6+51 x^5+17 x^4+47 x^3+4 x^2+8 x+11$
• $y^2=13 x^6+49 x^5+34 x^4+41 x^3+8 x^2+16 x+22$
• $y^2=33 x^6+45 x^5+16 x^4+41 x^3+48 x^2+34 x+43$
• $y^2=37 x^6+24 x^5+30 x^4+43 x^3+49 x^2+40 x+33$
• $y^2=45 x^6+14 x^5+45 x^4+36 x^3+42 x^2+48 x+38$
• $y^2=36 x^6+2 x^5+23 x^4+39 x^3+13 x^2+40 x+29$
• $y^2=40 x^6+3 x^5+10 x^4+30 x^2+34 x+44$
• $y^2=15 x^6+33 x^5+43 x^4+13 x^3+14 x^2+51 x+4$
• $y^2=37 x^6+37 x^5+20 x^4+26 x^3+46 x^2+15 x+8$
• $y^2=41 x^6+29 x^5+49 x^4+24 x^3+16 x^2+18 x+43$
• $y^2=29 x^6+5 x^5+45 x^4+48 x^3+32 x^2+36 x+33$
• $y^2=22 x^6+20 x^5+48 x^4+22 x^3+42 x^2+12 x+46$
• $y^2=41 x^6+x^5+6 x^4+34 x^3+12 x^2+4 x+18$
• $y^2=20 x^6+41 x^5+21 x^4+39 x^3+40 x^2+21 x+4$
• $y^2=32 x^6+30 x^5+15 x^4+42 x^3+29 x^2+37 x+18$
• and

• $y^2=42 x^6+2 x^5+36 x^4+10 x^3+41 x^2+42 x+41$
• $y^2=31 x^6+4 x^5+19 x^4+20 x^3+29 x^2+31 x+29$
• $y^2=2 x^6+45 x^5+4 x^4+22 x^3+12 x^2+44 x+5$
• $y^2=4 x^6+37 x^5+8 x^4+44 x^3+24 x^2+35 x+10$
• $y^2=40 x^6+x^5+50 x^4+52 x^3+20 x^2+11 x+48$
• $y^2=27 x^6+2 x^5+47 x^4+51 x^3+40 x^2+22 x+43$
• $y^2=30 x^6+41 x^5+x^4+24 x^3+35 x^2+34 x+46$
• $y^2=5 x^6+49 x^5+12 x^4+7 x^3+6 x^2+13 x+1$
• $y^2=43 x^6+15 x^5+28 x^4+29 x^3+22 x^2+45 x+36$
• $y^2=33 x^6+30 x^5+3 x^4+5 x^3+44 x^2+37 x+19$
• $y^2=36 x^6+20 x^5+21 x^4+52 x^3+30 x^2+11 x+26$
• $y^2=19 x^6+40 x^5+42 x^4+51 x^3+7 x^2+22 x+52$
• $y^2=9 x^6+9 x^5+41 x^4+38 x^3+16 x^2+2 x+10$
• $y^2=37 x^6+25 x^5+35 x^4+44 x^3+21 x^2+3 x+43$
• $y^2=21 x^6+50 x^5+17 x^4+35 x^3+42 x^2+6 x+33$
• $y^2=49 x^6+10 x^5+3 x^4+x^3+29 x^2+4 x+34$
• $y^2=28 x^5+38 x^4+47 x^3+21 x^2+4 x$
• $y^2=32 x^6+26 x^5+30 x^4+35 x^3+25 x^2+21 x+46$
• $y^2=18 x^6+21 x^5+6 x^4+37 x^3+45 x^2+2 x+28$
• $y^2=24 x^6+22 x^5+29 x^4+41 x^3+27 x^2+19 x+48$
• $y^2=48 x^6+44 x^5+5 x^4+29 x^3+x^2+38 x+43$
• $y^2=23 x^6+30 x^5+13 x^4+36 x^3+3 x^2+27 x+6$
• $y^2=3 x^6+16 x^5+39 x^4+3 x^3+39 x^2+7 x+23$
• $y^2=49 x^6+33 x^5+31 x^4+3 x^3+38 x^2+15 x+31$
• $y^2=45 x^6+13 x^5+9 x^4+6 x^3+23 x^2+30 x+9$
• $y^2=38 x^6+30 x^5+12 x^4+19 x^3+37 x^2+18 x+12$

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{53^{2}}$.

Endomorphism algebra over $\F_{53}$

The endomorphism algebra of this simple isogeny class is \(\Q(\sqrt{10}, \sqrt{-13})\).

Endomorphism algebra over $\overline{\F}_{53}$

The base change of $A$ to $\F_{53^{2}}$ is 1.2809.acc^2 and its endomorphism algebra is $\mathrm{M}_{2}($\(\Q(\sqrt{-130}) \)$)$

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.a_cc	$4$	(not in LMFDB)