Finite Group Databasebeta
Cayley diagram

#21360

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C22×D4
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

435 conjugacy classes of subgroups; only the 207 normal subgroups are shown.

normal subgroups only

This group has 435 conjugacy classes of subgroups — too many to draw. Only its 207 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)(15,22)(16,20)(17,25)(18,21)(19,23)(24,27)(26,28);(1,3,4,2)(13,15)(14,19)(16,23)(17,26)(18,24)(20,27)(21,28)(22,25);(6,9)(10,12)(13,16,18,17)(14,20,21,25)(15,23,24,26)(19,27,28,22);(5,7,8,11)(6,10,9,12)

Polycyclic presentation:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#118014, #118030, #118036, …
maximal normal subgroup of#118014, #118030, #118036, …
maximal quotient of#207294, #207306, #207318, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14348);