Finite Group Databasebeta

C22⋊D2081 #30659191

order16648
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC22⋊D2081

Splittings

FittingC22×C2081 ⋊ C2
SylowC2081 ⋊ D4

Subgroups

subgroupG/H
center, FrattiniC2C2×D2081
commutator, socle, cosocleC2×C2081C22
FittingC22×C2081C2
hypercenterC22D2081
hypocenterC2081D4
LCSG ▷ C2×C2081 ▷ C2081
UCSC1 ◁ C2 ◁ C22

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8324

Polycyclic presentation:

2^3,2081|b^a=bc,d^b=d^2080

Conjugacy classes & character table

4165 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD4×D2081, C2×C22⋊D2081, #45685706, …
maximal normal subgroup ofD4×D2081, C2×C22⋊D2081, #45685706, …
maximal quotient of#45685684, C22⋊Dic2081, #45685686, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16648, 9);