Finite Group Databasebeta

C4⋊Dic211 #16809942

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

Aliases

unambiguous semidirect productC4⋊Dic211

Splittings

SylowC211 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D211
commutatorC2×C211C2×C4
FittingC2×C4×C211C2
socle, prime radical, cosocleC22×C211C22
hypercenterC2×C4D211
hypocenterC211C4⋊C4
LCSG ▷ C2×C211 ▷ C211
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 3376

Polycyclic presentation:

2^4,211|a^2=d,b^2=c,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, 20);