Finite Group Databasebeta
Cayley diagram

#137

order32
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) = D42 (order 64) · Inn(G) = C2×D4 · Out(G) = C22
holomorphG ⋊ Aut(G) = #72219694
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2C2×D4
commutator, Frattini, cosocleC4C23
prime radical#41C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C2×C4 ◁ G
LECSG ▷ C4 ▷ C2 ▷ C1

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 16 points:

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

Polycyclic presentation:

2^5|b^2=e,d^2=e,b^a=bd,c^a=ce,d^a=de,d^b=de

Conjugacy classes & character table

C1C2C3C4C5C6C7C8C9C10C11
size11222444444
order12244244488
χ111111111111
χ21111111-1-1-1-1
χ311111-1-111-1-1
χ411111-1-1-1-111
χ511-1-111-11-11-1
χ611-1-111-1-11-11
χ711-1-11-111-1-11
χ811-1-11-11-111-1
χ9222-2-2000000
χ1022-22-2000000
χ114-4000000000

Relationships

Fitting subgroup of#137×A5, #14515184
maximal subgroup of#455, #456, #471, …
maximal normal subgroup of#455, #456, #471, …
maximal quotient of#417, #419, #428, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32, 44);