Finite Group Databasebeta
Cayley diagram

#18515

order256
nilpotency class3
isoclinismisoclinic class of #1619
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#120
commutator, Frattini, cosocleC42C24
socleC22C2×#120
prime radical#3483C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

488 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 488 conjugacy classes of subgroups — too many to draw. Only its 119 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)(3,10)(4,8)(5,13)(6,9)(7,11)(12,15)(14,16)(17,18,21,24)(19,25,26,32)(20,28,29,23)(22,30,31,27);(1,3)(2,7)(4,11)(5,14)(6,12)(8,15)(9,16)(10,13)(20,29)(23,28)(25,32)(27,30);(17,19,21,26)(18,22,24,31)(20,30,29,27)(23,32,28,25);(1,4,6,5)(2,8,9,13)(3,11,12,14)(7,15,16,10)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#153184, #210191, #210197, …
maximal normal subgroup of#153184, #210191, #210197, …
maximal quotient of#165716, #165751, #165799, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11503);