Finite Group Databasebeta
Cayley diagram

#27686

order256
nilpotency class3
isoclinismisoclinic class of #23918
automorphismAut(G) order 32768
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

399 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 399 conjugacy classes of subgroups — too many to draw. Only its 135 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:

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

Polycyclic presentation:

2^8|a^2=eg,b^2=eh,c^2=h,d^2=eh,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=cg,f^c=fh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#101548, #101549, #295324, …
maximal normal subgroup of#101548, #101549, #295324, …
maximal quotient of#314966, #314976, #314986, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 20674);