Finite Group Databasebeta
Cayley diagram

#21843

order256
nilpotency class3
isoclinismisoclinic class of #3198
automorphismAut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

485 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#21843, #6374366, #6374367, …
maximal normal subgroup ofC2×#21843, #6374366, #6374367, …
maximal quotient of#215714, #215715, #215716, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14831);