Finite Group Databasebeta
Cayley diagram

#17439

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 radicalC2×2−1+4C4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×#41 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 603 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) = 128

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,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#17439⋊C3
maximal subgroup of#220221, #220222, #220224, …
maximal normal subgroup of#220221, #220222, #220224, …
maximal quotient of#160505, #160506, #160508, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10427);