Finite Group Databasebeta
Cayley diagram

#18149

order256
nilpotency class3
isoclinismisoclinic class of #18132
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#538C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

537 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 537 conjugacy classes of subgroups — too many to draw. Only its 113 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) = 32

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#246353, #246354, #246357, …
maximal normal subgroup of#246353, #246354, #246357, …
maximal quotient of#165888, #165891, #165899, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11137);