Finite Group Databasebeta
Cayley diagram

#20986

order256
nilpotency class3
isoclinismisoclinic class of #17386
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radicalC22×#41C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×Q8 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

859 conjugacy classes of subgroups; only the 239 normal subgroups are shown.

normal subgroups only

This group has 859 conjugacy classes of subgroups — too many to draw. Only its 239 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)(7,11,17,24)(8,12)(9,13)(10,14)(15,22,30,34)(16,23,32,36)(18,25)(19,26)(20,27)(21,28)(29,33,31,35);(5,7)(6,11,14,24)(8,15)(9,16)(10,17)(12,22,26,34)(13,23,28,36)(18,29)(19,30)(20,31)(21,32)(25,33,27,35);(2,4)(5,8,10,19)(6,12,14,26)(7,15,17,30)(9,20,21,18)(11,22,24,34)(13,27,28,25)(16,31,32,29)(23,35,36,33);(5,9,10,21)(6,13,14,28)(7,16,17,32)(8,18,19,20)(11,23,24,36)(12,25,26,27)(15,29,30,31)(22,33,34,35)

Polycyclic presentation:

2^8|a^2=g,b^2=eg,c^2=h,d^2=h,b^a=be,c^a=cf,e^a=eh,e^b=eh,g^b=gh,d^c=dh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147515, #148012, #364605, …
maximal normal subgroup of#147515, #148012, #364605, …
maximal quotient of#195930, #195934, #195935, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13974);