Finite Group Databasebeta

C22⋊#22547819 #44544141

order31952
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#22547819
unambiguous semidirect product(C2×#22547819)⋊C2

Splittings

FittingC22×C1997 ⋊ C4
SylowC1997 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#22547819
commutator, socleC2×C1997C2×C4
FittingC22×C1997C4
prime radicalC22×D1997C2
cosocleC2×D1997C22
hypercenterC22#22547819
hypocenterC1997C22⋊C4
LCSG ▷ C2×C1997 ▷ C1997
UCSC1 ◁ C2 ◁ C22

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7988

Polycyclic presentation:

2^4,1997|a^2=d,b^a=bc,e^a=e^1585,e^d=e^1996

Conjugacy classes & character table

2006 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31952, 45);