Finite Group Databasebeta
Cayley diagram

#10250

order256
nilpotency class3
isoclinismisoclinic class of #10238
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#392
commutator, Frattini, cosocleC2×C42C23
prime radicalC2×#127C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 302 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=h,b^2=g,d^2=g,e^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fg,c^b=cf,d^b=dg,d^c=dg,e^c=eh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#10250, #237556, #237568, …
maximal normal subgroup ofC2×#10250, #237556, #237568, …
maximal quotient of#102516, #102520, #102523, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3238);