Finite Group Databasebeta
Cayley diagram

#22896

order256
nilpotency class3
isoclinismisoclinic class of #3290
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×H(5,𝔽2)C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 508 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)(7,18)(8,14)(9,16)(10,15)(11,17)(12,21)(13,23)(19,27)(20,34)(22,33)(24,32)(25,29)(26,30)(28,36)(31,35);(1,3,4,2)(5,7)(6,12)(8,19)(9,25)(10,21)(11,22)(13,27)(14,31)(15,33)(16,18)(17,29)(20,23)(24,36)(26,35)(28,30)(32,34);(5,8,11,24)(6,13,17,30)(7,19,22,36)(9,23,10,26)(12,27,29,28)(14,16,32,15)(18,34,33,31)(20,21,35,25);(5,8)(6,14)(7,20)(9,26)(10,23)(11,24)(12,28)(13,15)(16,30)(17,32)(18,34)(19,25)(21,36)(22,35)(27,29)(31,33)

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,d^c=dh,f^c=fh,e^d=eh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#152568, C2×#22896, #6381471, …
maximal normal subgroup of#152568, C2×#22896, #6381471, …
maximal quotient of#226940, #226948, #226956, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15884);