Finite Group Databasebeta
Cayley diagram

#17837

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphismAut(G) order 24576
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C22×C4⋊C4
prime radicalC2×#41Q8
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×#41 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

306 conjugacy classes of subgroups; only the 189 normal subgroups are shown.

normal subgroups only

This group has 306 conjugacy classes of subgroups — too many to draw. Only its 189 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) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

(1,2,7,4)(3,10,14,16)(5,9,6,15)(8,12,11,13)(17,18,21,25,22,26,20,24)(19,27,29,32,30,31,28,23);(1,3,5,12,7,14,6,13)(2,8,15,16,4,11,9,10)(17,19,21,29,22,30,20,28)(18,23,24,31,26,32,25,27);(1,4,7,2)(3,11,14,8)(5,9,6,15)(10,13,16,12)(17,20,22,21)(18,24,26,25)(19,28,30,29)(23,31,32,27);(1,5,7,6)(2,9,4,15)(3,12,14,13)(8,10,11,16)(17,20,22,21)(18,24,26,25)(19,28,30,29)(23,31,32,27)

Polycyclic presentation:

2^8|a^2=f,b^2=eg,c^2=g,d^2=g,e^2=g,f^2=h,b^a=be,e^a=eg,d^c=dgh

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#17837⋊C3
maximal subgroup of#136455, #136457, #137042, …
maximal normal subgroup of#136455, #136457, #137042, …
maximal quotient of#180938, #183421, #183611, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10825);