Finite Group Databasebeta
Cayley diagram

#19340

order256
nilpotency class3
isoclinismisoclinic class of #19328
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC42C24
prime radical#532C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

291 conjugacy classes of subgroups; only the 107 normal subgroups are shown.

normal subgroups only

This group has 291 conjugacy classes of subgroups — too many to draw. Only its 107 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#263509, #263510, #263514, …
maximal normal subgroup of#263509, #263510, #263514, …
maximal quotient of#189587, #197844, #197845, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12328);