Finite Group Databasebeta

D8855 #31799324

order17710
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD8855
unambiguous semidirect productC5⋊D1771
unambiguous semidirect productC7⋊D1265
unambiguous semidirect productC11⋊D805
unambiguous semidirect productC23⋊D385

Splittings

Fitting, socle, derived, HallC5×C7×C11×C23 ⋊ C2
HallC7×C11×C23 ⋊ D5
HallC5×C11×C23 ⋊ D7
HallC5×C7×C23 ⋊ D11
HallC5×C7×C11 ⋊ D23
HallC11×C23 ⋊ D35
HallC7×C23 ⋊ D55
HallC5×C23 ⋊ D77
HallC7×C11 ⋊ D115
HallC5×C11 ⋊ D161
HallC5×C7 ⋊ D253
SylowC23 ⋊ D385
SylowC11 ⋊ D805
SylowC7 ⋊ D1265
SylowC5 ⋊ D1771

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC5×C7×C11×C23C2
LCSG ▷ C5×C7×C11×C23
UCSC1

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 46
transitive degreeμt(G) = 8855

A minimal faithful permutation representation — 2 generators on 46 points:

(1,2,3,4,5)(6,7,8,9,10,11,12)(13,14,15,16,17,18,19,20,21,22,23)(24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46);(2,5)(3,4)(7,12)(8,11)(9,10)(14,23)(15,22)(16,21)(17,20)(18,19)(25,46)(26,45)(27,44)(28,43)(29,42)(30,41)(31,40)(32,39)(33,38)(34,37)(35,36)

Polycyclic presentation:

2,5,7,11,23|b^a=b^4,c^a=c^6,d^a=d^10,e^a=e^22

Conjugacy classes & character table

4429 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD23×D385, D11×D805, D35×D253, …
maximal normal subgroup ofD23×D385, D11×D805, D35×D253, …
maximal quotient ofDic8855, C2×D8855

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17710, 18);