Finite Group Databasebeta
Cayley diagram

#17620

order256
nilpotency class3
isoclinismisoclinic class of #17597
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radical#3496C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

635 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 635 conjugacy classes of subgroups — too many to draw. Only its 183 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) = 24
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 24 points:

(1,2)(3,5)(4,6)(7,8)(9,10)(11,17,19,14)(12,20)(13,16)(15,21)(18,22,24,23);(2,5)(3,8)(6,7)(9,11)(10,14)(12,18)(13,19)(15,22)(16,17)(20,23)(21,24);(2,6)(5,7)(9,12)(10,15)(11,18)(13,21)(14,22)(16,20)(17,23)(19,24);(12,21)(15,20)(18,24)(22,23)

Polycyclic presentation:

2^8|a^2=f,e^2=h,b^a=be,c^a=cg,e^a=eg,e^b=eh,f^b=fgh,d^c=dgh

Conjugacy classes & character table

49 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#253507, #253513, #253519, …
maximal normal subgroup of#253507, #253513, #253519, …
maximal quotient of#160630, #160631, #160892, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10608);