Finite Group Databasebeta
Cayley diagram

#2104

order128
nilpotency class3
isoclinismisoclinic class of #2104
automorphismAut(G) = #72237983 (order 3584) · Inn(G) = #401 · Out(G) = AGL(1,𝔽8)
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#401
commutator, Frattini, prime radical, cosocleC24C23
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

89 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)(3,9,11,6)(4,7,13,16)(5,8)(10,15)(12,14);(1,3)(2,6)(4,12,13,10)(5,11)(7,15,16,14)(8,9);(1,4)(2,7,8,16)(3,10)(5,13)(6,14,9,15)(11,12)

Polycyclic presentation:

2^7|a^2=def,b^2=de,c^2=d,b^a=bd,c^a=ce,d^a=dg,e^a=eg,c^b=cf,f^b=fg,e^c=eg

Conjugacy classes & character table

23 conjugacy classes — view the full character table.

Relationships

derived subgroup of#2104⋊C7, C2×#2104⋊C7, #23847⋊C7
Fitting subgroup of#2104⋊C7
maximal subgroup ofC2×#2104, #23847, #32700, …
maximal normal subgroup ofC2×#2104, #23847, #32700, …
maximal quotient of#10690, #10691, #11318, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 836);