Finite Group Databasebeta
Cayley diagram

#100

order32
nilpotency class3
isoclinismisoclinic class of #99
automorphismAut(G) = #2196 (order 128) · Inn(G) = C22⋊C4 · Out(G) = D4
holomorphG ⋊ Aut(G) = #72219539
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2C22⋊C4
commutatorC22C2×C4
Frattini, cosocleC2×C4C22
prime radicalC2×D4C2
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C2×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

23 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 8
transitive degreeμt(G) = 8

A minimal faithful permutation representation — 2 generators on 8 points:

(1,2,3,6,4,5,7,8);(2,5)(3,7)

Polycyclic presentation:

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

Conjugacy classes & character table

C1C2C3C4C5C6C7C8C9C10C11
size11222444444
order12244228888
χ111111111111
χ21111111-1-1-1-1
χ311111-1-111-1-1
χ411111-1-1-1-111
χ5111-1-11-1i−ii−i
χ6111-1-11-1−ii−ii
χ7111-1-1-11i−i−ii
χ8111-1-1-11−iii−i
χ922-22-2000000
χ1022-2-22000000
χ114-4000000000

Here i is the imaginary unit (i² = −1).

Relationships

Fitting subgroup of#100×A5, #14514954
maximal subgroup ofAΣL(1,𝔽16), #352, C2×#100, …
maximal normal subgroup ofAΣL(1,𝔽16), #352, C2×#100, …
maximal quotient of#323, #329, #331, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32, 7);