Finite Group Databasebeta
Cayley diagram

#18422

order256
nilpotency class3
isoclinismisoclinic class of #18414
automorphismAut(G) = C2×#72286730 (order 4096) · Inn(G) = C2×#120 · Out(G) = C2×#120
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radical#3188C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

480 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 480 conjugacy classes of subgroups — too many to draw. Only its 113 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#244500, #244503, #244507, …
maximal normal subgroup of#244500, #244503, #244507, …
maximal quotient of#169619, #169633, #169684, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11410);