Finite Group Databasebeta

C22⋊Dic109 #13182007

order1744
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic109

Splittings

SylowC109 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D109
commutatorC2×C109C2×C4
Fitting, prime radicalC23×C109C2
socle, cosocleC22×C109C22
hypercenterC23D109
hypocenterC109C22⋊C4
LCSG ▷ C2×C109 ▷ C109
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 872

Polycyclic presentation:

2^4,109|a^2=d,b^a=bc,e^a=e^108

Conjugacy classes & character table

442 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#16812613, #16812614, C22⋊C4×D109, …
maximal normal subgroup of#16812613, #16812614, C22⋊C4×D109, …
maximal quotient of#16812606, C22⋊#11724784, #16812614, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1744, 18);