Finite Group Databasebeta
Cayley diagram

#21777

order256
nilpotency class3
isoclinismisoclinic class of #21776
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#2308
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radical#3485C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

659 conjugacy classes of subgroups; only the 181 normal subgroups are shown.

normal subgroups only

This group has 659 conjugacy classes of subgroups — too many to draw. Only its 181 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)(3,11,14,7)(4,8)(5,17,18,9)(6,10)(12,19,26,21)(13,20)(15,28,29,22)(16,23)(24,27)(25,31)(30,32);(1,3)(2,7)(4,12)(5,13)(6,14)(8,21)(9,20)(10,11)(15,25)(16,26)(17,24)(18,27)(19,23)(22,31)(28,30)(29,32);(1,4,6,16)(2,8,10,23)(3,12,14,26)(5,15,18,29)(7,19,11,21)(9,22,17,28)(13,25,27,32)(20,30,24,31);(1,5)(2,9)(3,13)(4,15)(6,18)(7,20)(8,22)(10,17)(11,24)(12,25)(14,27)(16,29)(19,30)(21,31)(23,28)(26,32)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#135517, #139740, #139745, …
maximal normal subgroup of#135517, #139740, #139745, …
maximal quotient of#213721, #213723, #213725, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14765);