Finite Group Databasebeta
Cayley diagram

#17419

order256
nilpotency class3
isoclinismisoclinic class of #17411
automorphismAut(G) order 24576
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×#550C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×#41 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

671 conjugacy classes of subgroups; only the 187 normal subgroups are shown.

normal subgroups only

This group has 671 conjugacy classes of subgroups — too many to draw. Only its 187 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=h,d^2=h,f^2=h,b^a=be,e^a=eg,f^b=fg,d^c=dh

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#17419⋊C3
maximal subgroup of#138776, #138778, #138824, …
maximal normal subgroup of#138776, #138778, #138824, …
maximal quotient of#164152, #164154, #164182, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10407);