Finite Group Databasebeta
Cayley diagram

#17223

order256
nilpotency class2
isoclinismisoclinic class of #17082
automorphismAut(G) order 196608
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC24C24
prime radicalC25C23
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

635 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 635 conjugacy classes of subgroups — too many to draw. Only its 151 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:

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

Polycyclic presentation:

2^8|a^2=g,b^2=g,c^2=g,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#17223⋊C3
maximal subgroup ofC2×#17223, #845039, #845045, …
maximal normal subgroup ofC2×#17223, #845039, #845045, …
maximal quotient of#156493, #156494, #156520, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10211);