Finite Group Databasebeta

C4⋊Dic997 #30630108

order15952
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic997

Splittings

SylowC997 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D997
commutatorC2×C997C2×C4
FittingC2×C4×C997C2
socle, prime radical, cosocleC22×C997C22
hypercenterC2×C4D997
hypocenterC997C4⋊C4
LCSG ▷ C2×C997 ▷ C997
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15952

Polycyclic presentation:

2^4,997|a^2=d,b^2=c,b^a=bc,e^a=e^996

Conjugacy classes & character table

3994 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#44542222, #44542223, #44542225, …
maximal normal subgroup of#44542222, #44542223, #44542225, …
maximal quotient of#44542208, C4⋊#22547562, #44542233, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15952, 20);