Finite Group Databasebeta

C22⋊Dic1621 #39906302

order25936
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic1621

Splittings

SylowC1621 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1621
commutatorC2×C1621C2×C4
Fitting, prime radicalC23×C1621C2
socle, cosocleC22×C1621C22
hypercenterC23D1621
hypocenterC1621C22⋊C4
LCSG ▷ C2×C1621 ▷ C1621
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 12968

Polycyclic presentation:

2^4,1621|a^2=d,b^a=bc,e^a=e^1620

Conjugacy classes & character table

6490 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25936, 18);