Finite Group Databasebeta
Cayley diagram

#23746

order256
nilpotency class3
isoclinismisoclinic class of #23391
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

407 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 407 conjugacy classes of subgroups — too many to draw. Only its 159 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:

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

Polycyclic presentation:

2^8|a^2=eh,b^2=ef,c^2=e,g^2=h,b^a=be,c^a=cf,c^b=cg,g^b=gh,d^c=dh,g^c=gh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#401697, #401698, #401711, …
maximal normal subgroup of#401697, #401698, #401711, …
maximal quotient of#244086, #244089, #244093, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16734);