Finite Group Databasebeta
Cayley diagram

#128281

order512
nilpotency class3
isoclinismisoclinic class of #105681
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C4×C22⋊C4
commutatorC22×C4C2×C42
Frattini, cosocleC2×C4×C8C23
socleC22#1749
prime radicalC2×#41C42
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#322 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

345 conjugacy classes of subgroups; only the 134 normal subgroups are shown.

normal subgroups only

This group has 345 conjugacy classes of subgroups — too many to draw. Only its 134 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=f,c^2=e,e^2=g,f^2=h,h^2=i,b^a=bd,c^a=cg,d^a=di,c^b=ch,e^b=ei,f^c=fi

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72319890, #72319899, #72319950, …
maximal normal subgroup of#72319890, #72319899, #72319950, …
maximal quotient ofC2×#128281

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 35477);