Finite Group Databasebeta
Cayley diagram

#27749

order256
nilpotency class3
isoclinismisoclinic class of #24264
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

365 conjugacy classes of subgroups; only the 139 normal subgroups are shown.

normal subgroups only

This group has 365 conjugacy classes of subgroups — too many to draw. Only its 139 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) = 256

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#311039, #311047, #311055, …
maximal normal subgroup of#311039, #311047, #311055, …
maximal quotient of#360398, #363083, #366414, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 20737);