Finite Group Databasebeta
Cayley diagram

#17438

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 12288
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC4C23×C8
Frattini, cosocleC42C24
socleC22C22×C22⋊C4
prime radicalC2×H(5,𝔽2)C4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×#41 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

645 conjugacy classes of subgroups; only the 265 normal subgroups are shown.

normal subgroups only

This group has 645 conjugacy classes of subgroups — too many to draw. Only its 265 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#17438⋊C3
maximal subgroup of#220220, #220221, #220223, …
maximal normal subgroup of#220220, #220221, #220223, …
maximal quotient of#160504, #160507, #160509, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10426);