Finite Group Databasebeta
Cayley diagram

#129149

order512
nilpotency class4
isoclinismisoclinic class of #509
automorphism?
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC42C2×D8
commutatorC8C2×C4×C8
Frattini, cosocleC2×C4×C8C23
socleC22C4×#107
prime radicalC23C4×Q16
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C42 ◁ C2×C4×C8 ◁ C2×C82 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

254 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 254 conjugacy classes of subgroups — too many to draw. Only its 142 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 40 points:

(1,2,4,7,5,3,6,8)(9,10,12,18,14,20,28,36,15,17,29,33,13,19,27,35)(11,21,22,31,23,38,39,30,25,37,40,32,24,34,26,16);(9,11,13,23,15,25,14,24)(10,16,19,31,17,30,20,32)(12,26,27,22,29,39,28,40)(18,34,35,21,33,38,36,37);(1,3,4,8,5,2,6,7)(10,17)(16,30)(18,33)(19,20)(21,37)(31,32)(34,38)(35,36)

Polycyclic presentation:

2^9|a^2=e,b^2=f,c^2=deg,d^2=gi,e^2=h,f^2=i,g^2=i,h^2=i,b^a=bd,c^a=ci,d^b=dg,e^b=eg,g^b=gi,h^b=hi

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×#2179, #72223674, #72223677, …
maximal normal subgroup ofC8×#2179, #72223674, #72223677, …
maximal quotient ofC2×#129149

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 36345);