Finite Group Databasebeta

C22⋊D191 #13095243

order1528
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC22⋊D191

Splittings

FittingC22×C191 ⋊ C2
SylowC191 ⋊ D4

Subgroups

subgroupG/H
center, FrattiniC2C2×D191
commutator, socle, cosocleC2×C191C22
FittingC22×C191C2
hypercenterC22D191
hypocenterC191D4
LCSG ▷ C2×C191 ▷ C191
UCSC1 ◁ C2 ◁ C22

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 195
transitive degreeμt(G) = 764

Polycyclic presentation:

2^3,191|b^a=bc,d^b=d^190

Conjugacy classes & character table

385 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD4×D191, C2×C22⋊D191, #15690286, …
maximal normal subgroup ofD4×D191, C2×C22⋊D191, #15690286, …
maximal quotient of(C2×D191)⋊C4, C22⋊Dic191, Dic191⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1528, 9);