Finite Group Databasebeta

(C22⋊D991)⋊C4 #44540410

order31712
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product(C22⋊D991)⋊C4

Splittings

FittingC22⋊C4×C991 ⋊ C2
SylowC991 ⋊ C4×D4

Subgroups

subgroupG/H
center, FrattiniC22C22×D991
commutatorC2×C991C22×C4
FittingC22⋊C4×C991C2
socle, cosocleC22×C991C23
prime radicalC2×C22⋊D991C2
hypercenterC22⋊C4D991
hypocenterC991C4×D4
LCSG ▷ C2×C991 ▷ C991
UCSC1 ◁ C22 ◁ C22⋊C4

94 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15856

Polycyclic presentation:

2^5,991|a^2=e,c^2=e,b^a=bd,f^c=f^990

Conjugacy classes & character table

4970 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31712, 106);