Finite Group Databasebeta
Cayley diagram

#21244

order256
nilpotency class3
isoclinismisoclinic class of #3068
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C2×#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#390
prime radicalC2×#575C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

730 conjugacy classes of subgroups; only the 237 normal subgroups are shown.

normal subgroups only

This group has 730 conjugacy classes of subgroups — too many to draw. Only its 237 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) = 32

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#366636, #366641, #366642, …
maximal normal subgroup of#366636, #366641, #366642, …
maximal quotient of#204430, #204431, #204436, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14232);