Finite Group Databasebeta
Cayley diagram

#19258

order256
nilpotency class3
isoclinismisoclinic class of #19254
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC42C24
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

369 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 369 conjugacy classes of subgroups — too many to draw. Only its 113 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)(11,18)(12,16)(13,22)(14,17)(15,20)(19,23)(21,24);(9,11,12,19,14,21,13,20)(10,15,22,24,17,23,16,18);(2,5)(3,8)(6,7);(2,6)(5,7)(9,12,14,13)(10,16,17,22)(11,19,21,20)(15,18,23,24)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#138443, #138454, #138455, …
maximal normal subgroup of#138443, #138454, #138455, …
maximal quotient of#189097, #197778, #202789, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12246);