Finite Group Databasebeta

#72223211

order3200
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2×C5

Aliases

No aliases for this group.

Splittings

SylowC52 ⋊ #1357

Subgroups

subgroupG/H
centerC2#13100395
commutatorC42×C52C2×C4
FrattiniC42C2×#1044
FittingC52×#127C4
socleC2×C52#331
prime radical#13102935C2
cosocleC4×#6029C22
hypercenter#127#1044
hypocenterC52#1357
LCSG ▷ C42×C52 ▷ C2×C4×C52 ▷ C2×C52 ▷ C52
UCSC1 ◁ C2 ◁ C2×C4 ◁ C42 ◁ #127

386 conjugacy classes of subgroups; only the 44 normal subgroups are shown.

normal subgroups only

This group has 386 conjugacy classes of subgroups — too many to draw. Only its 44 normal subgroups are shown.

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

Full subgroup data →

Presentation

Polycyclic presentation:

2^7,5^2|a^2=c,c^2=eg,d^2=ef,e^2=g,f^2=g,b^a=bd,c^b=ce,d^a=df,d^b=def,e^b=eg,f^a=fg,f^b=fg,h^a=h^2,h^c=h^4,i^a=h^3i^3,i^c=i^4

Conjugacy classes & character table

107 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72223213
maximal normal subgroup of#72223213

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g", "h", "i");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 5, 5]);;
gap> SetPower(coll, 1, F.3);;
gap> SetPower(coll, 3, F.5*F.7);;
gap> SetPower(coll, 4, F.5*F.6);;
gap> SetPower(coll, 5, F.7);;
gap> SetPower(coll, 6, F.7);;
gap> SetConjugate(coll, 2, 1, F.2*F.4);;
gap> SetConjugate(coll, 3, 2, F.3*F.5);;
gap> SetConjugate(coll, 4, 1, F.4*F.6);;
gap> SetConjugate(coll, 4, 2, F.4*F.5*F.6);;
gap> SetConjugate(coll, 5, 2, F.5*F.7);;
gap> SetConjugate(coll, 6, 1, F.6*F.7);;
gap> SetConjugate(coll, 6, 2, F.6*F.7);;
gap> SetConjugate(coll, 8, 1, F.8^2);;
gap> SetConjugate(coll, 8, 3, F.8^4);;
gap> SetConjugate(coll, 9, 1, F.8^3*F.9^3);;
gap> SetConjugate(coll, 9, 3, F.9^4);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);