Finite Group Databasebeta

C4⋊Dic1087 #31775013

order17392
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic1087

Splittings

SylowC1087 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1087
commutatorC2×C1087C2×C4
FittingC2×C4×C1087C2
socle, prime radical, cosocleC22×C1087C22
hypercenterC2×C4D1087
hypocenterC1087C4⋊C4
LCSG ▷ C2×C1087 ▷ C1087
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17392

Polycyclic presentation:

2^4,1087|a^2=d,b^2=c,b^a=bc,e^a=e^1086

Conjugacy classes & character table

4354 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#46852109, #46852110, #46852112, …
maximal normal subgroup of#46852109, #46852110, #46852112, …
maximal quotient ofC1087⋊#95, C4⋊(C1087⋊C8), #46852120, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17392, 20);