Finite Group Databasebeta
Cayley diagram

#328

order64
nilpotency class3
isoclinismisoclinic class of #327
automorphismAut(G) = C22×#120 (order 128) · Inn(G) = C22⋊C4 · Out(G) = C23
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22⋊C4
commutatorC2×C4C2×C4
Frattini, cosocleC22×C4C22
prime radicalC23D4
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 16

A minimal faithful permutation representation — 2 generators on 16 points:

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

Polycyclic presentation:

2^6|a^2=d,b^2=e,c^2=f,b^a=bc,c^a=ce,c^b=cf,d^b=def

Conjugacy classes & character table

19 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#328, #1500, #1501, …
maximal normal subgroup ofC2×#328, #1500, #1501, …
maximal quotient of#1271, #1272, #1294, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(64, 9);