Finite Group Databasebeta
Cayley diagram

#12940

order256
nilpotency class4
isoclinismisoclinic class of #2192
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#447
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC22×D8C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ #405 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

212 conjugacy classes of subgroups; only the 69 normal subgroups are shown.

normal subgroups only

This group has 212 conjugacy classes of subgroups — too many to draw. Only its 69 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 — 3 generators on 36 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=f,d^2=gh,e^2=g,g^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=egh,g^a=gh,d^b=dg,e^b=eg,g^b=gh,d^c=dg,e^c=egh,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#12940, #494299, #494300, …
maximal normal subgroup ofC2×#12940, #494299, #494300, …
maximal quotient of#135885, #135923, #136147, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5928);