Finite Group Databasebeta
Cayley diagram

#27602

order256
nilpotency class3
isoclinismisoclinic class of #23918
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC25D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

526 conjugacy classes of subgroups; only the 129 normal subgroups are shown.

normal subgroups only

This group has 526 conjugacy classes of subgroups — too many to draw. Only its 129 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)(3,6)(4,5)(7,8)(9,10,12,14)(11,13,15,16)(17,18,21,24)(19,22,20,23);(2,5)(6,8)(9,11)(10,13)(12,15)(14,16)(17,19,21,20)(18,22,24,23);(1,3,4,7)(2,6,5,8)(11,15)(13,16)(18,23)(19,20)(22,24);(2,5)(6,8)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#101528, #101530, #291748, …
maximal normal subgroup of#101528, #101530, #291748, …
maximal quotient of#359818, #359820, #366391, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 20590);