Finite Group Databasebeta
Cayley diagram

#22892

order256
nilpotency class3
isoclinismisoclinic class of #3288
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D42
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×2−1+4C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

493 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 493 conjugacy classes of subgroups — too many to draw. Only its 167 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

(1,2,4,3)(5,6,12,18)(7,19,8,22)(9,15,27,33)(10,17,11,16)(13,24,14,21)(20,35,23,31)(25,30,36,29)(26,34,28,32);(1,3,4,2)(5,7,12,8)(6,13,18,14)(9,25,27,36)(10,24,11,21)(15,31,33,35)(16,22,17,19)(20,28,23,26)(29,34,30,32);(5,8,12,7)(6,14,18,13)(9,23,27,20)(10,24,11,21)(15,30,33,29)(16,22,17,19)(25,26,36,28)(31,32,35,34);(5,9)(6,15)(7,20)(8,23)(10,28)(11,26)(12,27)(13,29)(14,30)(16,34)(17,32)(18,33)(19,35)(21,36)(22,31)(24,25)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#152565, C2×#22892, #6381466, …
maximal normal subgroup of#152565, C2×#22892, #6381466, …
maximal quotient of#226936, #226944, #226952, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15880);