Finite Group Databasebeta

C22⋊#19099577 #35204117

order20288
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#19099577

Splittings

SylowC317 ⋊ C22⋊C16

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×#11929639
commutatorC2×C317C2×C16
FittingC22×C4×C317C4
socleC22×C317C2×C8
prime radicalC23×C317C8
cosocleC2×#14579261C22
hypercenterC22×C4#11929639
hypocenterC317C22⋊C16
LCSG ▷ C2×C317 ▷ C317
UCSC1 ◁ C2×C4 ◁ C22×C4

66 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10144

Polycyclic presentation:

2^6,317|a^2=d,d^2=e,e^2=f,b^a=bc,g^a=g^203,g^d=g^316

Conjugacy classes & character table

1304 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20288, 1443);