Finite Group Databasebeta

C4⋊Dic983 #30628455

order15728
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic983

Splittings

SylowC983 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D983
commutatorC2×C983C2×C4
FittingC2×C4×C983C2
socle, prime radical, cosocleC22×C983C22
hypercenterC2×C4D983
hypocenterC983C4⋊C4
LCSG ▷ C2×C983 ▷ C983
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15728

Polycyclic presentation:

2^4,983|a^2=d,b^2=c,b^a=bc,e^a=e^982

Conjugacy classes & character table

3938 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#44537884, #44537885, #44537887, …
maximal normal subgroup of#44537884, #44537885, #44537887, …
maximal quotient ofC983⋊#95, C4⋊(C983⋊C8), #44537895, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15728, 20);