Finite Group Databasebeta
Cayley diagram

#33260

order256
nilpotency class3
isoclinismisoclinic class of #32932
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

303 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 303 conjugacy classes of subgroups — too many to draw. Only its 143 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) = 256

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=e,b^2=g,c^2=f,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=dg,f^a=fh,d^b=dh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#125320, #125428, #142070, …
maximal normal subgroup of#125320, #125428, #142070, …
maximal quotient of#392495, #393126, #393136, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26248);