Finite Group Databasebeta
Cayley diagram

#18614

order256
nilpotency class3
isoclinismisoclinic class of #18562
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
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 482 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) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#250467, #250485, #250501, …
maximal normal subgroup of#250467, #250485, #250501, …
maximal quotient of#166341, #166398, #166453, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11602);