Finite Group Databasebeta

Dic1187⋊C4 #34039533

order18992
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productDic1187⋊C4

Splittings

SylowC1187 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1187
commutatorC2×C1187C2×C4
FittingC2×C4×C1187C2
socle, prime radical, cosocleC22×C1187C22
hypercenterC2×C4D1187
hypocenterC1187C4⋊C4
LCSG ▷ C2×C1187 ▷ C1187
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18992

Polycyclic presentation:

2^4,1187|a^2=d,b^2=c,b^a=bc,e^b=e^1186

Conjugacy classes & character table

4754 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC4⋊C4×D1187, C2×Dic1187⋊C4, #49184210, …
maximal normal subgroup ofC4⋊C4×D1187, C2×Dic1187⋊C4, #49184210, …
maximal quotient ofC1187⋊#95, Dic1187⋊C8, #49184185, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18992, 19);