Finite Group Databasebeta
Cayley diagram

#8540

order256
nilpotency class3
isoclinismisoclinic class of #8534
automorphismAut(G) = #72285069 (order 4096) · Inn(G) = #379 · Out(G) = C2×#120
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#379
commutatorC24C22×C4
Frattini, cosocleC23×C4C23
prime radical#534C4
LCSG ▷ C24 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

359 conjugacy classes of subgroups; only the 71 normal subgroups are shown.

normal subgroups only

This group has 359 conjugacy classes of subgroups — too many to draw. Only its 71 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) = 64

A minimal faithful permutation representation — 3 generators on 48 points:

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

Polycyclic presentation:

2^8|a^2=f,c^2=g,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^b=eh,f^b=fg,d^c=dh

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94454, #94531, #140028, …
maximal normal subgroup of#94454, #94531, #140028, …
maximal quotient of#97054, #97056, #97057, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1528);