Finite Group Databasebeta

C22⋊Dic121 #14515424

order1936
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic121

Splittings

SylowC121 ⋊ C22⋊C4

Subgroups

subgroupG/H
centerC22C2×D121
commutatorC2×C121C2×C4
Frattini, socleC22×C11C2×D11
FittingC23×C121C2
prime radicalC23×C11D11
cosocleC22×C121C22
hypercenterC23D121
hypocenterC121C22⋊C4
LCSG ▷ C2×C121 ▷ C121
UCSC1 ◁ C22 ◁ C23

51 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 968

Polycyclic presentation:

2^4,11^2|a^2=d,e^11=f,b^a=bc,e^a=e^10f^10,f^a=f^10

Conjugacy classes & character table

490 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1936, 18);