Finite Group Databasebeta

C22⋊Dic1931 #44525360

order30896
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic1931

Splittings

SylowC1931 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1931
commutatorC2×C1931C2×C4
Fitting, prime radicalC23×C1931C2
socle, cosocleC22×C1931C22
hypercenterC23D1931
hypocenterC1931C22⋊C4
LCSG ▷ C2×C1931 ▷ C1931
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15448

Polycyclic presentation:

2^4,1931|a^2=d,b^a=bc,e^a=e^1930

Conjugacy classes & character table

7730 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30896, 18);