Finite Group Databasebeta

C4⋊Dic109 #13182009

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

Aliases

unambiguous semidirect productC4⋊Dic109

Splittings

SylowC109 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D109
commutatorC2×C109C2×C4
FittingC2×C4×C109C2
socle, prime radical, cosocleC22×C109C22
hypercenterC2×C4D109
hypocenterC109C4⋊C4
LCSG ▷ C2×C109 ▷ C109
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1744

Polycyclic presentation:

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

Conjugacy classes & character table

442 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#16812620, #16812621, #16812623, …
maximal normal subgroup of#16812620, #16812621, #16812623, …
maximal quotient of#16812606, C4⋊#11724784, #16812631, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1744, 20);