Finite Group Databasebeta
Cayley diagram

#24593

order256
nilpotency class3
isoclinismisoclinic class of #23860
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

382 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 382 conjugacy classes of subgroups — too many to draw. Only its 123 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#273386, #273401, #273414, …
maximal normal subgroup of#273386, #273401, #273414, …
maximal quotient of#275345, #275346, #275347, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17581);