Finite Group Databasebeta
Cayley diagram

#18953

order256
nilpotency class3
isoclinismisoclinic class of #18930
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, cosocleC42C24
prime radical#532C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 423 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) = 48
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 48 points:

(1,2,7,11)(3,12,4,9)(5,10,6,15)(8,14,16,13)(17,18)(19,23)(20,30)(21,33)(22,25)(24,32)(26,36)(27,43)(28,41)(29,38)(31,42)(34,39)(35,40)(37,45)(44,47)(46,48);(1,3,7,4)(2,8,11,16)(5,13,6,14)(9,15,12,10)(17,19,22,29)(18,23,25,38)(20,27,31,44)(21,34,36,28)(24,37,40,48)(26,41,33,39)(30,47,42,43)(32,46,35,45);(1,4,7,3)(2,9,11,12)(5,13,6,14)(8,15,16,10)(17,20)(18,24)(19,27)(21,35)(22,31)(23,37)(25,40)(26,42)(28,46)(29,44)(30,33)(32,36)(34,45)(38,48)(39,47)(41,43);(1,5,7,6)(2,10,11,15)(3,13,4,14)(8,9,16,12)(18,25)(23,38)(24,40)(26,33)(30,42)(37,48)(39,41)(43,47)

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#245320, #245322, #245338, …
maximal normal subgroup of#245320, #245322, #245338, …
maximal quotient of#170404, #170451, #170488, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11941);