Finite Group Databasebeta

Dic1087⋊C4 #31775012

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

Aliases

unambiguous semidirect productDic1087⋊C4

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^b=e^1086

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC4⋊C4×D1087, C2×Dic1087⋊C4, #46852144, …
maximal normal subgroup ofC4⋊C4×D1087, C2×Dic1087⋊C4, #46852144, …
maximal quotient ofC1087⋊#95, Dic1087⋊C8, #46852119, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17392, 19);