Finite Group Databasebeta
Cayley diagram

#17394

order256
nilpotency class3
isoclinismisoclinic class of #17392
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC24C22×C4
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

485 conjugacy classes of subgroups; only the 187 normal subgroups are shown.

normal subgroups only

This group has 485 conjugacy classes of subgroups — too many to draw. Only its 187 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 — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=g,f^2=h,b^a=be,d^a=dh,e^a=eg,c^b=ch,f^b=fg

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106099, #107165, #107189, …
maximal normal subgroup of#106099, #107165, #107189, …
maximal quotient of#162553, #162558, #162563, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10382);