Finite Group Databasebeta

C4⋊#22547569 #44542367

order31904
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#22547569

Splittings

SylowC997 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC22C2×#16860614
commutatorC2×C997C2×C8
FittingC2×C4×C997C4
socle, prime radicalC22×C997C2×C4
cosocleC2×Dic997C22
hypercenterC2×C4#16860614
hypocenterC997C4⋊C8
LCSG ▷ C2×C997 ▷ C997
UCSC1 ◁ C22 ◁ C2×C4

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 31904

Polycyclic presentation:

2^5,997|a^2=d,b^2=c,d^2=e,b^a=bc,f^a=f^161,f^d=f^996

Conjugacy classes & character table

2012 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31904, 212);