Finite Group Databasebeta
Cayley diagram

#17218

order256
nilpotency class2
isoclinismisoclinic class of #17082
automorphismAut(G) order 393216
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C2×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, prime radical, cosocleC24C24
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

603 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 603 conjugacy classes of subgroups — too many to draw. Only its 175 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:

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

Polycyclic presentation:

2^8|a^2=e,b^2=g,c^2=g,d^2=e,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=def,d^c=de

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#17218⋊C3
maximal subgroup of#125671, #125937, #125973, …
maximal normal subgroup of#125671, #125937, #125973, …
maximal quotient of#156494, #156599, #156649, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10206);