Finite Group Databasebeta
Cayley diagram

#19627

order256
nilpotency class3
isoclinismisoclinic class of #19621
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#127
commutator, Frattini, cosocleC42C24
prime radical#3205C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

392 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 392 conjugacy classes of subgroups — too many to draw. Only its 123 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)(3,9)(4,12)(5,7)(6,11)(8,13)(10,15)(14,16)(17,18)(19,25)(20,22)(21,29)(23,27)(24,28)(26,31)(30,32);(1,3,4,11,5,10,13,16)(2,6,8,9,7,14,12,15)(18,22)(23,30)(24,29)(25,31);(2,7)(6,14)(8,12)(9,15)(17,19,21,27,20,26,28,32)(18,23,24,25,22,30,29,31);(3,10)(6,14)(9,15)(11,16)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#289173, #289182, #289281, …
maximal normal subgroup of#289173, #289182, #289281, …
maximal quotient of#191435, #206108, #206112, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12615);