Finite Group Databasebeta
Cayley diagram

#21136

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×D4C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

431 conjugacy classes of subgroups; only the 171 normal subgroups are shown.

normal subgroups only

This group has 431 conjugacy classes of subgroups — too many to draw. Only its 171 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#222849, #222853, #222866, …
maximal normal subgroup of#222849, #222853, #222866, …
maximal quotient of#203199, #203223, #203247, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14124);