Finite Group Databasebeta
Cayley diagram

#21415

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC42C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C22×C22⋊C4
prime radical#3444C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C42 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

715 conjugacy classes of subgroups; only the 211 normal subgroups are shown.

normal subgroups only

This group has 715 conjugacy classes of subgroups — too many to draw. Only its 211 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) = 16
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 16 points:

(1,2)(3,6)(4,5)(7,8)(9,10,12,15,13,16,11,14);(10,14,16,15);(2,5)(6,8);(1,3,4,7)(2,6,5,8)

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Frattini subgroup of#72272677
maximal subgroup of#107759, #108079, #108093, …
maximal normal subgroup of#107759, #108079, #108093, …
maximal quotient of#207540, #207541, #207542, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14403);