Finite Group Databasebeta

C22⋊Dic211 #16809940

order3376
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic211

Splittings

SylowC211 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D211
commutatorC2×C211C2×C4
Fitting, prime radicalC23×C211C2
socle, cosocleC22×C211C22
hypercenterC23D211
hypocenterC211C22⋊C4
LCSG ▷ C2×C211 ▷ C211
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1688

Polycyclic presentation:

2^4,211|a^2=d,b^a=bc,e^a=e^210

Conjugacy classes & character table

850 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3376, 18);