Finite Group Databasebeta
Cayley diagram

#33839

order256
nilpotency class4
isoclinismisoclinic class of #33830
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×D8
commutator, Frattini, cosocleC2×C8C24
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C4×D4 ◁ C8×D4 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

356 conjugacy classes of subgroups; only the 107 normal subgroups are shown.

normal subgroups only

This group has 356 conjugacy classes of subgroups — too many to draw. Only its 107 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

(1,2)(3,4)(5,6,10,15)(7,16,17,28)(8,21,24,30)(9,12,23,14)(11,26,27,19)(13,31,33,22)(18,34,35,29)(20,36,25,32);(5,7)(6,11)(8,18)(9,25)(10,17)(12,29)(13,32)(14,34)(15,27)(16,21)(19,22)(20,23)(24,35)(26,31)(28,30)(33,36);(2,4)(7,17)(11,27)(16,28)(18,35)(19,26)(20,25)(29,34)(32,36);(6,12)(7,18)(8,22)(9,23)(11,28)(14,15)(16,27)(17,35)(19,20)(21,30)(24,31)(25,26)(29,32)(34,36)

Polycyclic presentation:

2^8|a^2=h,e^2=gh,g^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eg,g^a=gh,c^b=ch,d^b=de,e^b=eg,g^b=gh,e^d=eg,g^d=gh

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#151520, #151522, #151574, …
maximal normal subgroup of#151520, #151522, #151574, …
maximal quotient of#491760, #491773, #491824, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26827);