Finite Group Databasebeta
Cayley diagram

#24074

order256
nilpotency class3
isoclinismisoclinic class of #23924
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

533 conjugacy classes of subgroups; only the 131 normal subgroups are shown.

normal subgroups only

This group has 533 conjugacy classes of subgroups — too many to draw. Only its 131 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) = 28
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 28 points:

(5,6)(7,12)(8,10)(9,11)(13,14)(15,22)(16,20)(17,19)(18,23)(21,25)(24,27)(26,28);(1,2)(3,4)(5,7,9,8)(6,10,11,12)(13,15)(14,18)(16,23)(17,24)(19,26)(20,22)(21,27)(25,28);(2,4)(5,8,9,7)(6,10,11,12)(14,19)(17,25)(18,26)(20,21)(22,27)(24,28);(6,11)(10,12)(14,20)(15,23)(19,21)(24,28)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#139951, #139952, #346512, …
maximal normal subgroup of#139951, #139952, #346512, …
maximal quotient of#256424, #256427, #256430, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17062);