Finite Group Databasebeta
Cayley diagram

#340

order64
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) = #6628842 (order 512) · Inn(G) = D4 · Out(G) = C2×#120
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23D4
commutatorC4C42
Frattini, cosocleC22×C4C22
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

57 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^6|a^2=d,b^2=e,c^2=f,e^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 of#1347, #1348, C2×#340, …
maximal normal subgroup of#1347, #1348, C2×#340, …
maximal quotient of#1277, #1279, #1286, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(64, 21);