Finite Group Databasebeta
Cayley diagram

#32831

order256
nilpotency class3
isoclinismisoclinic class of #32712
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#127C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

327 conjugacy classes of subgroups; only the 103 normal subgroups are shown.

normal subgroups only

This group has 327 conjugacy classes of subgroups — too many to draw. Only its 103 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:

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

Polycyclic presentation:

2^8|a^2=efh,b^2=e,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=def,g^b=gh,d^c=de,g^c=gh

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#32831, #6631520, #6631526, …
maximal normal subgroup ofC2×#32831, #6631520, #6631526, …
maximal quotient of#391296, #391335, #391368, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 25819);