Finite Group Databasebeta
Cayley diagram

#23358

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 49152
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socleC23C23×C4
prime radical#2397C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

457 conjugacy classes of subgroups; only the 149 normal subgroups are shown.

normal subgroups only

This group has 457 conjugacy classes of subgroups — too many to draw. Only its 149 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)(3,7)(4,8)(5,6)(9,10)(11,15)(12,14)(13,16)(17,18,20,23,21,24,27,30)(19,22,26,29,25,28,31,32);(2,6)(3,4)(11,16)(13,15);(1,3,5,4)(2,7,6,8)(9,11,12,16)(10,13,14,15)(17,19)(18,22)(20,26)(21,25)(23,29)(24,28)(27,31)(30,32);(1,4,5,3)(2,7,6,8)(10,14)(13,15)(19,25)(22,28)(26,31)(29,32)

Polycyclic presentation:

2^8|a^2=g,c^2=ef,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=def,c^b=cef,d^b=de,d^c=dh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#23358⋊C3
maximal subgroup of#136302, #137285, #139970, …
maximal normal subgroup of#136302, #137285, #139970, …
maximal quotient of#232169, #232170, #232171, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16346);