Finite Group Databasebeta
Cayley diagram

#29106

order256
nilpotency class3
isoclinismisoclinic class of #24378
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

437 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 437 conjugacy classes of subgroups — too many to draw. Only its 127 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) = 128

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

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

Polycyclic presentation:

2^8|a^2=fg,b^2=egh,c^2=h,f^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,f^c=fh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#150448, #150774, #293320, …
maximal normal subgroup of#150448, #150774, #293320, …
maximal quotient of#361734, #364354, #365114, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22094);