Finite Group Databasebeta
Cayley diagram

#339

order64
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) = C2×#3484 (order 256) · Inn(G) = D4 · Out(G) = C22×D4
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4D4
commutatorC4C42
Frattini, cosocleC22×C4C22
socleC22C22⋊C4
prime radicalC23D4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

55 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 12
transitive degreeμt(G) = 16

A minimal faithful permutation representation — 2 generators on 12 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

28 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#339, #1733, C4×#104, …
maximal normal subgroup ofC2×#339, #1733, C4×#104, …
maximal quotient of#1276, #1278, #1279, …
outer automorphism group of#7093

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(64, 20);