Finite Group Databasebeta
Cayley diagram

#21728

order256
nilpotency class3
isoclinismisoclinic class of #3055
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

375 conjugacy classes of subgroups; only the 195 normal subgroups are shown.

normal subgroups only

This group has 375 conjugacy classes of subgroups — too many to draw. Only its 195 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) = 256

A minimal faithful permutation representation — 4 generators on 28 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#124641, #124647, #124803, …
maximal normal subgroup of#124641, #124647, #124803, …
maximal quotient of#213369, #213379, #213390, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14716);