Finite Group Databasebeta
Cayley diagram

#33844

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
prime radical#3287C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C4×D4 ◁ C8×D4 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

337 conjugacy classes of subgroups; only the 109 normal subgroups are shown.

normal subgroups only

This group has 337 conjugacy classes of subgroups — too many to draw. Only its 109 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) = 128

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

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

Polycyclic presentation:

2^8|a^2=h,b^2=h,d^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#491731, #491735, #491738, …
maximal normal subgroup of#491731, #491735, #491738, …
maximal quotient of#491763, #491774, #491827, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26832);