Finite Group Databasebeta

Dic991⋊C8 #44540379

order31712
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productDic991⋊C8

Splittings

SylowC991 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D991
commutatorC2×C991C2×C8
FittingC2×C8×C991C2
socle, prime radicalC22×C991C2×C4
cosocleC2×C4×C991C22
hypercenterC2×C8D991
hypocenterC991C4⋊C8
LCSG ▷ C2×C991 ▷ C991
UCSC1 ◁ C2×C4 ◁ C2×C8

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 31712

Polycyclic presentation:

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

Conjugacy classes & character table

7940 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31712, 75);