Finite Group Databasebeta

D99⋊D77 #44478976

order30492
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD99⋊D77

Splittings

Fitting, derived, HallC7×C9×C112 ⋊ C22
HallC9×C112 ⋊ C2×D7
HallC7×C112 ⋊ C2×D9
SylowC112 ⋊ D7×D9
HallC7×C9 ⋊ D112
SylowC9 ⋊ D11×D77
SylowC7 ⋊ D99⋊D11

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC7×C9×C112C22
FrattiniC3D33⋊D77
socleC3×C7×C112C2×D3
LCSG ▷ C7×C9×C112
UCSC1

180 conjugacy classes of subgroups; only the 34 normal subgroups are shown.

normal subgroups only

This group has 180 conjugacy classes of subgroups — too many to draw. Only its 34 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1386

Polycyclic presentation:

2^2,3,7,11^2,3|c^3=g^2,d^a=d^6,e^a=e^10,f^a=f^10,c^b=c^2g,f^b=f^10,g^b=g^2

Conjugacy classes & character table

1980 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30492, 199);