Finite Group Databasebeta
Cayley diagram

#9977

order256
nilpotency class3
isoclinismisoclinic class of #9974
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#392
commutator, Frattini, cosocleC23×C4C23
prime radical#3186C2
LCSG ▷ C23×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

272 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 272 conjugacy classes of subgroups — too many to draw. Only its 51 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) = 32
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 32 points:

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

Polycyclic presentation:

2^8|b^2=h,d^2=g,e^2=g,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eg,f^a=fh,c^b=cf,d^b=dg,f^b=fg,d^c=dh,e^c=eg,f^c=fg

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93209, #93211, #123017, …
maximal normal subgroup of#93209, #93211, #123017, …
maximal quotient of#102435, #102437, #102450, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 2965);