Finite Group Databasebeta
Cayley diagram

#7713

order256
nilpotency class3
isoclinismisoclinic class of #7694
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C2×C22⋊C4
commutatorC22×C4C22×C4
Frattini, cosocleC2×C42C23
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C23 ▷ C1

186 conjugacy classes of subgroups; only the 61 normal subgroups are shown.

normal subgroups only

This group has 186 conjugacy classes of subgroups — too many to draw. Only its 61 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) = 256

A minimal faithful permutation representation — 3 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=fgh,d^2=g,e^2=h,b^a=bd,c^a=cg,d^a=df,c^b=ch,d^b=dg,e^b=efg

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97879, #97881, #97883, …
maximal normal subgroup of#97879, #97881, #97883, …
maximal quotient of#96281, #96749, #96750, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 701);