Finite Group Databasebeta
Cayley diagram

#25406

order256
nilpotency class3
isoclinismisoclinic class of #25140
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC22×C4C24
prime radical#532C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

442 conjugacy classes of subgroups; only the 125 normal subgroups are shown.

normal subgroups only

This group has 442 conjugacy classes of subgroups — too many to draw. Only its 125 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#285123, #285125, #285140, …
maximal normal subgroup of#285123, #285125, #285140, …
maximal quotient of#287741, #287748, #287753, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18394);