Finite Group Databasebeta

C22⋊Dic1609 #38788352

order25744
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic1609

Splittings

SylowC1609 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1609
commutatorC2×C1609C2×C4
Fitting, prime radicalC23×C1609C2
socle, cosocleC22×C1609C22
hypercenterC23D1609
hypocenterC1609C22⋊C4
LCSG ▷ C2×C1609 ▷ C1609
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 12872

Polycyclic presentation:

2^4,1609|a^2=d,b^a=bc,e^a=e^1608

Conjugacy classes & character table

6442 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25744, 18);