Finite Group Databasebeta

#31804550

order17792
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

Fitting#331×C139 ⋊ C2
SylowC139 ⋊ #1402

Subgroups

subgroupG/H
centerC2#22580741
commutatorC2×D4×C139C2×C4
Frattini#127C2×D139
Fitting#331×C139C2
socleC2×C139AΣL(1,𝔽16)
prime radical#22581120C2
cosocle#127×C139C22
hypercenter#331D139
hypocenterC139#1402
LCSG ▷ C2×D4×C139 ▷ C2×C4×C139 ▷ C22×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2 ◁ C22 ◁ C2×C4 ◁ #127 ◁ #331

122 conjugacy classes of subgroups; only the 23 normal subgroups are shown.

normal subgroups only

This group has 122 conjugacy classes of subgroups — too many to draw. Only its 23 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) = 2224

Polycyclic presentation:

2^7,139|a^2=d,e^2=g,b^a=bc,c^a=ce,e^a=ef,f^a=fg,h^a=h^138,d^b=deg,e^b=eg,f^b=fg,h^b=h^138,d^c=dfg,e^c=eg,e^d=eg

Conjugacy classes & character table

1328 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 2656);