Finite Group Databasebeta

C22⋊D101 #11717586

order808
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC22⋊D101

Splittings

FittingC22×C101 ⋊ C2
SylowC101 ⋊ D4

Subgroups

subgroupG/H
center, FrattiniC2C2×D101
commutator, socle, cosocleC2×C101C22
FittingC22×C101C2
hypercenterC22D101
hypocenterC101D4
LCSG ▷ C2×C101 ▷ C101
UCSC1 ◁ C2 ◁ C22

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 404

Polycyclic presentation:

2^3,101|b^a=bc,d^a=d^100

Conjugacy classes & character table

205 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD4×D101, C2×C22⋊D101, #13108073, …
maximal normal subgroup ofD4×D101, C2×C22⋊D101, #13108073, …
maximal quotient of#13108051, C22⋊Dic101, #13108053, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(808, 8);