Finite Group Databasebeta
Cayley diagram

#18156

order256
nilpotency class3
isoclinismisoclinic class of #18132
automorphismAut(G) = C22×#72217875 (order 4096) · Inn(G) = C2×#120 · Out(G) = C23×D4
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

491 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 491 conjugacy classes of subgroups — too many to draw. Only its 111 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) = 32
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|c^2=g,d^2=h,e^2=g,b^a=be,c^a=cf,d^a=dg,e^a=eg,e^b=eg,f^b=fh,e^c=eh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#246933, #246935, #246942, …
maximal normal subgroup of#246933, #246935, #246942, …
maximal quotient of#165907, #165909, #165945, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11144);