Finite Group Databasebeta
Cayley diagram

#24340

order256
nilpotency class3
isoclinismisoclinic class of #23860
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 radicalC22×D4C23
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

518 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 518 conjugacy classes of subgroups — too many to draw. Only its 143 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)(5,6,9,12)(7,11,8,10)(13,14,17,21)(15,23,26,19)(16,22,18,20)(24,28,25,27);(5,7,9,8)(6,10,12,11)(13,15)(14,19)(16,25)(17,26)(18,24)(20,27)(21,23)(22,28);(2,4)(14,20)(15,24)(16,18)(21,22)(25,26)(27,28);(5,8,9,7)(6,11,12,10)(13,16,17,18)(14,20,21,22)(15,25,26,24)(19,27,23,28)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#250553, #250565, #250570, …
maximal normal subgroup of#250553, #250565, #250570, …
maximal quotient of#265725, #265738, #265753, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17328);