Finite Group Databasebeta
Cayley diagram

#22249

order256
nilpotency class3
isoclinismisoclinic class of #3186
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

343 conjugacy classes of subgroups; only the 163 normal subgroups are shown.

normal subgroups only

This group has 343 conjugacy classes of subgroups — too many to draw. Only its 163 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) = 256

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#139142, #139143, C2×#22249, …
maximal normal subgroup of#139142, #139143, C2×#22249, …
maximal quotient of#219255, #219261, #219276, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15237);