Finite Group Databasebeta

C22⋊Dic1789 #43270389

order28624
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic1789

Splittings

SylowC1789 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1789
commutatorC2×C1789C2×C4
Fitting, prime radicalC23×C1789C2
socle, cosocleC22×C1789C22
hypercenterC23D1789
hypocenterC1789C22⋊C4
LCSG ▷ C2×C1789 ▷ C1789
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 14312

Polycyclic presentation:

2^4,1789|a^2=d,b^a=bc,e^a=e^1788

Conjugacy classes & character table

7162 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28624, 18);