Finite Group Databasebeta
Cayley diagram

#17611

order256
nilpotency class3
isoclinismisoclinic class of #17603
automorphismAut(G) order 12288
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radical#3488C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×#41 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

669 conjugacy classes of subgroups; only the 185 normal subgroups are shown.

normal subgroups only

This group has 669 conjugacy classes of subgroups — too many to draw. Only its 185 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)(11,20)(12,17)(13,18)(14,23)(15,19)(16,21)(22,24);(1,3,4,8)(2,5,6,7)(9,11,15,12)(10,16,19,24)(13,21,14,22)(17,23,20,18);(9,12,15,11)(10,17,19,20)(13,21,14,22)(16,23,24,18);(9,13,15,14)(10,18,19,23)(11,21,12,22)(16,17,24,20)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#17611⋊C3
maximal subgroup of#220531, #220533, #220540, …
maximal normal subgroup of#220531, #220533, #220540, …
maximal quotient of#163759, #163760, #163788, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10599);