Finite Group Databasebeta
Cayley diagram

#18154

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 radical#392C22
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

480 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 480 conjugacy classes of subgroups — too many to draw. Only its 115 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:

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

Polycyclic presentation:

2^8|b^2=g,d^2=h,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#246930, #246932, #246939, …
maximal normal subgroup of#246930, #246932, #246939, …
maximal quotient of#165905, #165943, #165999, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11142);